Searchable USA Human Resources Acronym Database

TIMETREX REFERENCE LIBRARY · HUMAN RESOURCES

USA Human ResourcesAcronym Database

The language of people, made clear.
Search HR shorthand, understand the context, and find the right meaning for the work in front of you.

331 meanings17 subjectsU.S. focused

FROM ACRONYM TO UNDERSTANDING

HR→
PEOPLEHuman resources
CONTEXTPolicies, benefits & payroll

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Full alphabetical reference · 331 meanings

2FA — Two-factor authentication

HR technology & privacy · Technology term · Common HR usage — Authentication using two distinct factor categories.

In practice: A payroll user signs in using two required factors.

Two-factor authentication is a form of MFA.

NIST ↗

401(k) — Section 401(k) retirement plan

Retirement plans · Legal shorthand · U.S. specific — An employer retirement-plan arrangement allowing eligible employees to make elective deferrals.

In practice: An employee chooses a 401(k) deferral percentage.

Contribution, distribution, and tax rules depend on applicable law and plan terms.

IRS ↗

403(b) — Section 403(b) retirement plan

Retirement plans · Legal shorthand · U.S. specific — A retirement-plan category for certain tax-exempt employers, public schools, and other eligible organizations.

In practice: A school employee reviews 403(b) options.

403(b) and 401(k) plans have distinct rules.

IRS ↗

409A — Internal Revenue Code Section 409A

Compensation & rewards · Legal shorthand · Common HR usage — A tax-code section governing certain nonqualified deferred compensation arrangements.

In practice: A compensation team seeks review of an agreement under Section 409A.

409A is legal shorthand, not an acronym.

IRS ↗

457(b) — Section 457(b) deferred compensation plan

Retirement plans · Legal shorthand · U.S. specific — An eligible deferred compensation plan offered by certain governmental and tax-exempt employers.

In practice: A public employee reviews a 457(b) deferral election.

Governmental and nongovernmental plans have important differences.

IRS ↗

941 — Employer's Quarterly Federal Tax Return

Payroll & tax · Form designation · U.S. specific — The IRS form generally used to report specified quarterly employment taxes.

In practice: Payroll reconciles Form 941 with its wage records.

Some employers file other employment-tax returns under applicable rules.

IRS ↗

1095-C — Employer-Provided Health Insurance Offer and Coverage

Payroll & tax · Form designation · U.S. specific — An IRS form for reporting specified employer health coverage information.

In practice: An applicable employer prepares Forms 1095-C.

Reporting rules and the individual's coverage situation require separate review.

IRS ↗

1099-NEC — Nonemployee Compensation

Payroll & tax · Form designation · U.S. specific — The IRS information return for reportable nonemployee compensation.

In practice: A business reviews whether a service payment requires Form 1099-NEC.

A form label does not establish that a worker is an independent contractor.

IRS ↗

5500 — Annual Return/Report of Employee Benefit Plan

Retirement plans · Form designation · U.S. specific — The Form 5500 reporting series used by specified employee benefit plans.

In practice: A plan administrator prepares the applicable Form 5500 filing.

Filing forms and exceptions depend on plan characteristics.

DOL ↗

ACA — Affordable Care Act

Employment law · Law or regulation · U.S. specific — The common name for federal health-reform laws affecting coverage, insurance, and certain employers.

In practice: HR reviews ACA-related coverage reporting.

The acronym does not by itself establish employer size or coverage obligations.

IRS ↗

ACH — Automated Clearing House

Payroll & tax · Payroll term · U.S. specific — A network used for electronic payments such as payroll direct deposits.

In practice: A payroll file sends direct deposits through ACH.

Payment timing depends on the payment arrangement and banking process.

Nacha ↗

ACP — Actual contribution percentage

Retirement plans · Benefit term · U.S. specific — A measure used in a specified retirement-plan nondiscrimination test.

In practice: A benefits team reviews ACP test results.

Testing scope differs from the ADP test.

IRS ↗

AD&D — Accidental death and dismemberment

Health & welfare benefits · Benefit term · U.S. specific — Insurance providing specified benefits for covered accidental deaths or injuries.

In practice: An employee reviews an AD&D benefit schedule.

Exclusions and covered losses are defined by the policy.

HealthCare.gov ↗

ADA — Americans with Disabilities Act

Employment law · Law or regulation · U.S. specific — A federal civil rights law that includes employment disability protections and accommodation requirements.

In practice: HR reviews an accommodation request under the ADA.

ADA coverage and the appropriate response depend on the facts.

EEOC ↗

ADAAA — ADA Amendments Act

Employment law · Law or regulation · U.S. specific — A federal law amending the ADA, including its disability-definition framework.

In practice: HR uses the amended framework when reviewing disability coverage.

Do not rely on superseded interpretations of the original ADA.

EEOC ↗

ADDIE — Analyze, design, develop, implement, evaluate

Learning & development · HR practice · Common HR usage — A commonly used instructional-design process framework.

In practice: L&D uses ADDIE to structure a course project.

The stages may be iterative rather than strictly sequential.

OPM ↗

ADEA — Age Discrimination in Employment Act

Employment law · Law or regulation · U.S. specific — The federal employment law addressing age discrimination against protected workers.

In practice: HR reviews selection criteria for age-related bias.

Coverage and exceptions require the applicable legal context.

EEOC ↗

ADP — Actual deferral percentage

Retirement plans · Benefit term · U.S. specific — A measure used in a specified 401(k) nondiscrimination test.

In practice: A plan administrator reviews the ADP test.

In this context ADP is a plan-testing term, not the payroll company's name.

IRS ↗

ADR — Alternative dispute resolution

Employee & labor relations · HR practice · Common HR usage — Methods such as mediation or arbitration used to address disputes outside conventional litigation.

In practice: An employer offers an ADR process for a workplace dispute.

Rights and enforceability depend on the specific process and law.

EEOC ↗

AI — Artificial intelligence

HR technology & privacy · Technology term · Common HR usage — A broad category of computational techniques used for tasks such as prediction, classification, or generation.

In practice: HR evaluates an AI-supported recruiting tool.

An AI label does not establish accuracy, fairness, or legal compliance.

NIST ↗

ALE — Applicable large employer

Health & welfare benefits · Benefit term · U.S. specific — An employer meeting the ACA's size test for specified employer provisions.

In practice: An employer assesses ALE status using the required counting method.

Internal headcount and ACA counting are not interchangeable.

IRS ↗

AMT — Alternative minimum tax

Compensation & rewards · HR practice · Common HR usage — A separate federal tax calculation that can affect some individuals, including some option holders.

In practice: An employee seeks tax advice before exercising ISOs.

AMT exposure is individual-specific; a glossary cannot calculate it.

IRS ↗

aPHR — Associate Professional in Human Resources

Professional credentials · Credential or organization · Common HR usage — An HRCI credential designed for foundational HR knowledge.

In practice: A person entering HR considers aPHR certification.

Issuer requirements and credential scope should be reviewed directly.

HRCI ↗

API — Application programming interface

HR technology & privacy · Technology term · Common HR usage — A defined way for software systems to exchange requests and information.

In practice: An API transfers approved employee data between systems.

Integration design should control access and handle errors.

NIST ↗

APTD — Associate Professional in Talent Development

Professional credentials · Credential or organization · Common HR usage — A talent-development credential offered through ATD's certification institute.

In practice: A learning practitioner considers the APTD credential.

Check current eligibility and certification requirements.

ATD ↗

ASO — Administrative services only

HR operations · HR practice · Common HR usage — An arrangement in which a provider performs administration while the client retains specified underlying responsibilities.

In practice: An employer uses an ASO contract for benefit claim administration.

The same abbreviation can describe an administrative services organization.

HealthCare.gov ↗

ATD — Association for Talent Development

Professional credentials · Credential or organization · Common HR usage — A professional organization focused on talent development and workplace learning.

In practice: L&D consults ATD resources for professional development.

ATD offers resources and credentials with distinct requirements.

ATD ↗

ATS — Applicant tracking system

Recruiting & hiring · HR practice · Common HR usage — Software used to manage job openings, applications, and hiring stages.

In practice: A recruiter schedules interviews through the ATS.

An ATS manages recruiting records; it is not necessarily the employee system of record.

SHRM ↗

AWOL — Absent without leave

Time, attendance & leave · HR practice · Common HR usage — An unauthorized absence designation used in some employment systems.

In practice: A manager seeks HR guidance before recording AWOL.

Assess applicable leave protections and facts before assigning a status.

OPM ↗

BARS — Behaviorally anchored rating scale

Performance & people analytics · HR practice · Common HR usage — A rating method using examples of behavior to describe performance levels.

In practice: A review form uses BARS examples for customer-service skills.

Behavioral anchors should reflect the actual job.

OPM ↗

BI — Business intelligence

Performance & people analytics · HR practice · Common HR usage — Tools and practices for organizing data into reports and decision-support information.

In practice: A BI dashboard combines workforce and financial measures.

Consistent definitions matter more than visual polish alone.

TimeTrex ↗

BLS — Bureau of Labor Statistics

Agencies & official references · Agency or reference · U.S. specific — The federal statistical agency publishing labor-market, wage, and price data.

In practice: HR uses BLS wage data for market research.

Match occupation, geography, and reference period when comparing data.

BLS ↗

C&B — Compensation and benefits

Compensation & rewards · HR practice · Common HR usage — The HR function covering pay programs and employee benefits.

In practice: The C&B team reviews salary and benefit proposals.

Some organizations use total rewards as a broader label.

IRS ↗

CBA — Collective bargaining agreement

Employee & labor relations · HR practice · Common HR usage — An agreement negotiated between an employer and a bargaining representative.

In practice: HR checks the CBA before changing a shift premium.

The agreement operates alongside applicable law.

NLRB ↗

CBT — Computer-based training

Learning & development · HR practice · Common HR usage — Training delivered using computer software or digital content.

In practice: A company uses CBT for a repeatable introductory lesson.

In clinical contexts CBT can mean cognitive behavioral therapy.

OPM ↗

CEU — Continuing education unit

Learning & development · HR practice · Common HR usage — A unit used by specified providers or programs to record continuing education.

In practice: A professional checks whether a course awards accepted CEUs.

Recognition and conversion rules depend on the credential or licensing body.

OPM ↗

CFR — Code of Federal Regulations

Agencies & official references · Agency or reference · U.S. specific — The organized collection of general and permanent federal regulations.

In practice: An HR adviser checks a CFR provision cited in guidance.

Confirm the current text and any applicable court or agency developments.

DOL ↗

CFRA — California Family Rights Act

State-specific references · Law or program · State-specific — A California law providing qualifying employees with specified family and medical leave rights.

In practice: HR evaluates CFRA alongside applicable federal leave law.

CFRA and FMLA have different coverage and eligibility details.

California CRD ↗

CHRO — Chief human resources officer

HR operations · HR practice · Common HR usage — The executive responsible for an organization's human resources strategy and leadership.

In practice: The CHRO presents the annual workforce plan.

Some organizations use a different people-leadership title.

SHRM ↗

COBRA — Consolidated Omnibus Budget Reconciliation Act

Employment law · Law or regulation · U.S. specific — A federal law commonly referenced in HR for group health continuation coverage provisions.

In practice: HR sends a qualifying-event notice through its COBRA process.

Eligibility, notice duties, duration, and payment terms require separate review.

DOL ↗

COE — Center of expertise

HR operations · HR practice · Common HR usage — A specialist HR group with deep knowledge in an area such as compensation.

In practice: The compensation COE reviews the salary structure.

Often used interchangeably with center of excellence.

SHRM ↗

COE — Center of excellence

HR operations · HR practice · Common HR usage — A group that develops standards, practices, and expertise for a function.

In practice: An analytics COE establishes reporting definitions.

The label does not guarantee any specific organizational design.

SHRM ↗

COLA — Cost-of-living adjustment

Compensation & rewards · HR practice · Common HR usage — An adjustment intended to reflect changes in living costs under a specified policy or program.

In practice: An agreement describes how its COLA is calculated.

A COLA is not automatically required for every U.S. employee.

BLS ↗

CPEO — Certified professional employer organization

HR operations · HR practice · Common HR usage — A PEO certified by the IRS under its federal tax certification program.

In practice: A business checks whether a provider is an IRS-certified CPEO.

Certification relates to the IRS program; it is not a universal quality rating.

IRS ↗

CPH — Cost per hire

Recruiting & hiring · HR practice · Common HR usage — Recruiting cost divided by hires for a defined period and cost scope.

In practice: TA calculates CPH using agreed internal and external costs.

Comparisons need consistent cost categories and hiring populations.

SHRM ↗

CPI — Consumer Price Index

Compensation & rewards · HR practice · Common HR usage — A BLS family of measures of changes in consumer prices.

In practice: A compensation analyst checks the specified CPI series.

Different CPI series and periods can produce different comparisons.

BLS ↗

CPO — Chief people officer

HR operations · HR practice · Common HR usage — An executive title for the leader of the people function.

In practice: The CPO sponsors an employee listening program.

Outside HR, CPO can refer to other executive roles.

SHRM ↗

CPT — Curricular practical training

Immigration & work authorization · Legal or program term · U.S. specific — Employment authorization for eligible F-1 students connected to an established curriculum.

In practice: HR checks CPT authorization for a student placement.

CPT and OPT use different authorization processes.

USCIS ↗

CPTD — Certified Professional in Talent Development

Professional credentials · Credential or organization · Common HR usage — A talent-development credential offered through ATD's certification institute.

In practice: An experienced learning professional considers CPTD certification.

The credential's scope is set by its issuer.

ATD ↗

CRA — Consumer reporting agency

Recruiting & hiring · HR practice · Common HR usage — An organization assembling or evaluating consumer information for reports covered by the FCRA.

In practice: An employer obtains an employment screening report from a CRA.

Employer and reporting-agency duties are distinct under the law.

FTC ↗

CRD — Civil Rights Department

State-specific references · Law or program · State-specific — The California agency enforcing specified civil rights laws.

In practice: HR checks CRD guidance on employment requirements.

This entry refers specifically to California.

California CRD ↗

CRM — Candidate relationship management

Recruiting & hiring · HR practice · Common HR usage — Tools and practices for maintaining relationships with prospective candidates.

In practice: Recruiters use a CRM to keep in touch with a talent community.

In other departments CRM commonly means customer relationship management.

SHRM ↗

CSV — Comma-separated values

HR technology & privacy · Technology term · Common HR usage — A text format commonly used to exchange rows and fields of data.

In practice: HR exports filtered acronym records as CSV.

Spreadsheet software may interpret certain cell contents as formulas.

TimeTrex ↗

CV — Curriculum vitae

Recruiting & hiring · HR practice · Common HR usage — A detailed record of education, credentials, and professional experience.

In practice: An academic applicant submits a CV with publications.

In the U.S., a CV is often more detailed than a business resume.

SHRM ↗

DART — Days away, restricted, or transferred

Workplace safety · Safety term · Common HR usage — An OSHA recordkeeping category used for specified work-related injury and illness cases.

In practice: A safety report counts DART cases.

The case category and a DART rate are related but different measures.

OSHA ↗

DB — Defined benefit

Retirement plans · Benefit term · U.S. specific — A retirement-plan design promising a benefit determined under the plan's formula.

In practice: A pension statement estimates a DB benefit.

Funding, vesting, and benefit guarantees depend on the plan and law.

PBGC ↗

DC — Defined contribution

Retirement plans · Benefit term · U.S. specific — A retirement-plan design with individual accounts reflecting contributions and investment results.

In practice: A 401(k) statement shows a DC account balance.

A contribution formula does not guarantee a particular retirement income.

IRS ↗

DCFSA — Dependent care flexible spending arrangement

Health & welfare benefits · Benefit term · U.S. specific — An employer arrangement reimbursing eligible dependent-care expenses under applicable tax rules.

In practice: An employee elects DCFSA benefits for qualifying care costs.

Dependent-care rules differ from health FSA rules.

IRS ↗

DD — Direct deposit

Payroll & tax · Payroll term · U.S. specific — Payment delivered electronically into a designated account.

In practice: An employee updates DD instructions through the approved process.

Verify changes through the employer's established controls.

Nacha ↗

DEI — Diversity, equity, and inclusion

Employee & labor relations · HR practice · Common HR usage — A label for organizational practices concerning workforce diversity, fair processes, and inclusion.

In practice: HR assesses whether an inclusion program meets its stated goals.

Program legality depends on its design and applicable law, not its label.

EEOC ↗

DEIA — Diversity, equity, inclusion, and accessibility

Employee & labor relations · HR practice · Common HR usage — An expanded organizational label that explicitly includes accessibility.

In practice: A team reviews the accessibility component of a program.

Terminology and policy status vary across organizations and jurisdictions.

EEOC ↗

DHS — Department of Homeland Security

Agencies & official references · Agency or reference · U.S. specific — The U.S. department that includes agencies involved in immigration and employment verification.

In practice: HR encounters DHS references in I-9 guidance.

Specific responsibilities are distributed across DHS components.

USCIS ↗

DLP — Data loss prevention

HR technology & privacy · Technology term · Common HR usage — Controls designed to detect or prevent unauthorized data disclosure or movement.

In practice: A DLP rule flags an attempted transfer of sensitive HR records.

Controls need configuration and review to match the data involved.

NIST ↗

DOL — Department of Labor

Agencies & official references · Agency or reference · U.S. specific — The U.S. federal department responsible for multiple labor and employment programs.

In practice: HR follows DOL resources for a wage question.

Different DOL agencies administer different laws.

DOL ↗

DT — Double time

Time, attendance & leave · HR practice · Common HR usage — A pay rate equal to twice a specified base or regular rate under a rule or policy.

In practice: A contract provides DT for defined circumstances.

Double time is not a general nationwide FLSA requirement.

DOL ↗

E-Verify — Electronic employment eligibility verification system

Immigration & work authorization · Legal or program term · U.S. specific — A system comparing information from Form I-9 with government records.

In practice: A participating employer creates an E-Verify case.

E-Verify complements Form I-9 rather than replacing it.

E-Verify ↗

EAD — Employment authorization document

Immigration & work authorization · Legal or program term · U.S. specific — A document evidencing employment authorization for certain individuals.

In practice: HR reviews an acceptable EAD under the I-9 process.

Authorization, expiration, and extension rules depend on the category and current guidance.

USCIS ↗

EAP — Employee assistance program

HR operations · HR practice · Common HR usage — An employer-sponsored support program that may provide counseling referrals and practical assistance.

In practice: HR gives a worker information about the EAP.

Services, confidentiality terms, and access rules depend on the program.

HealthCare.gov ↗

EBSA — Employee Benefits Security Administration

Agencies & official references · Agency or reference · U.S. specific — The DOL agency responsible for specified employee-benefit protections.

In practice: A plan administrator consults EBSA guidance.

Other agencies also have benefit-related responsibilities.

DOL ↗

EE — Employee

HR operations · HR practice · Common HR usage — A shorthand label used on HR, payroll, and benefits records.

In practice: An EE deduction appears beside the ER contribution.

Read the report legend because field labels differ by system.

IRS ↗

EEO — Equal employment opportunity

Employee & labor relations · HR practice · Common HR usage — The principle and practice of fair access to employment opportunities under applicable requirements.

In practice: An employer reviews recruiting practices for EEO concerns.

EEO terminology is broader than one specific law.

EEOC ↗

EEOC — Equal Employment Opportunity Commission

Agencies & official references · Agency or reference · U.S. specific — The federal agency enforcing specified employment discrimination laws.

In practice: An employer responds to an EEOC charge.

Coverage and complaint processes depend on the relevant law.

EEOC ↗

EFT — Electronic funds transfer

Payroll & tax · Payroll term · U.S. specific — The electronic movement of money between accounts.

In practice: Payroll uses an EFT method to send wages.

EFT is broader than any one payment network.

Nacha ↗

EFTPS — Electronic Federal Tax Payment System

Payroll & tax · Payroll term · U.S. specific — A U.S. Treasury system used to pay federal taxes electronically.

In practice: An employer uses EFTPS for applicable payroll tax deposits.

Deposit schedules and filing requirements must be checked separately.

IRS ↗

EHS — Environment, health, and safety

Workplace safety · Safety term · Common HR usage — A function managing environmental and workplace health and safety matters.

In practice: EHS and HR coordinate injury reporting and training.

Responsibilities differ across employers.

OSHA ↗

EIN — Employer identification number

Payroll & tax · Payroll term · U.S. specific — A federal tax identification number assigned to a business or other entity.

In practice: Payroll uses the employer's EIN on tax returns.

An EIN identifies an entity; it is not an employee's SSN.

IRS ↗

EMR — Experience modification rate

Workplace safety · Safety term · Common HR usage — An insurance rating factor reflecting claims experience under an applicable workers' compensation rating method.

In practice: An employer reviews its EMR with its insurance adviser.

EMR is not the same as an OSHA injury rate.

OSHA ↗

eNPS — Employee net promoter score

Performance & people analytics · HR practice · Common HR usage — A survey measure based on employees' likelihood of recommending their organization as a workplace.

In practice: HR tracks eNPS alongside detailed employee feedback.

One score cannot describe the whole employee experience.

SHRM ↗

EO — Equal opportunity

Employee & labor relations · HR practice · Common HR usage — A general label for equal access to opportunities, including employment contexts.

In practice: An EO office receives a workplace concern.

In government documents, EO can instead mean executive order.

EEOC ↗

EO — Executive order

Employee & labor relations · HR practice · Common HR usage — A directive issued by an executive authority, such as the U.S. President.

In practice: HR advisers assess an EO that affects a particular employer.

An order's legal effect and current status must be checked individually.

OPM ↗

EOB — Explanation of benefits

Health & welfare benefits · Benefit term · U.S. specific — A statement from an insurer or plan explaining how a claim was processed.

In practice: An employee checks an EOB against a provider bill.

An EOB is generally not itself a bill.

HealthCare.gov ↗

EOI — Evidence of insurability

Health & welfare benefits · Benefit term · U.S. specific — Information an insurer may require to evaluate eligibility for certain coverage.

In practice: An employee submits EOI for an optional coverage increase.

Requirements depend on the insurer and plan.

HealthCare.gov ↗

EOR — Employer of record

HR operations · HR practice · Common HR usage — A provider that formally employs workers for a client under a particular arrangement.

In practice: HR reviews who employs a worker under an EOR contract.

Legal effects depend on the arrangement and jurisdiction.

IRS ↗

EPA — Equal Pay Act

Employment law · Law or regulation · U.S. specific — A federal law addressing sex-based pay differences for equal work under specified conditions.

In practice: HR reviews comparable jobs during a pay-equity assessment.

In HR law, EPA differs from the Environmental Protection Agency.

EEOC ↗

EPO — Exclusive provider organization

Health & welfare benefits · Benefit term · U.S. specific — A health-plan model generally limiting coverage to network providers except specified situations.

In practice: An employee checks whether a physician participates in the EPO.

Review emergency and other exceptions in plan materials.

HealthCare.gov ↗

ER — Employee relations

HR operations · HR practice · Common HR usage — The HR discipline focused on workplace concerns, conduct, relationships, and fair processes.

In practice: ER supports a manager handling a workplace complaint.

Also appears as employer on payroll and benefits records.

SHRM ↗

ER — Employer

HR operations · HR practice · Common HR usage — A shorthand label for the employer side of a contribution or employment relationship.

In practice: A benefits report separates EE and ER premiums.

This is a recordkeeping abbreviation, not a distinct worker classification.

IRS ↗

ERG — Employee resource group

Employee & labor relations · HR practice · Common HR usage — An employee group organized around shared experiences, interests, or support goals.

In practice: An ERG helps employees build professional connections.

Participation rules and sponsorship should follow applicable policies and law.

SHRM ↗

ERISA — Employee Retirement Income Security Act

Employment law · Law or regulation · U.S. specific — A federal law setting standards for many private-sector employee benefit plans.

In practice: A plan administrator reviews ERISA disclosure duties.

Not every benefit arrangement or employer plan is ERISA-covered.

DOL ↗

ERP — Employee referral program

Recruiting & hiring · HR practice · Common HR usage — A program encouraging employees to refer potential candidates.

In practice: An ERP awards a bonus after its stated conditions are met.

In technology discussions ERP also means enterprise resource planning.

SHRM ↗

ERP — Enterprise resource planning

HR technology & privacy · Technology term · Common HR usage — Integrated software supporting major business processes and shared records.

In practice: An ERP exchanges approved payroll totals with finance.

This differs from an employee referral program in recruiting.

TimeTrex ↗

ESOP — Employee stock ownership plan

Retirement plans · Benefit term · U.S. specific — A qualified defined contribution plan primarily designed to invest in employer stock.

In practice: Employees receive ESOP benefit information.

ESOP ownership differs from an employee stock purchase plan.

IRS ↗

ESPP — Employee stock purchase plan

Compensation & rewards · HR practice · Common HR usage — A plan that allows employees to buy employer shares under stated terms.

In practice: An employee enrolls in an ESPP payroll deduction program.

Tax treatment depends on whether applicable requirements are satisfied.

IRS ↗

ESRP — Employer shared responsibility payment

Health & welfare benefits · Benefit term · U.S. specific — A potential federal payment associated with specified ACA employer coverage provisions.

In practice: An ALE reviews an IRS ESRP notice with its advisers.

A glossary or coverage label cannot determine a payment liability.

IRS ↗

ESS — Employee self-service

HR operations · HR practice · Common HR usage — Tools that allow employees to view or update permitted HR information.

In practice: An employee uses ESS to download a pay statement.

Access depends on the employer's system permissions.

TimeTrex ↗

EVP — Employee value proposition

HR operations · HR practice · Common HR usage — The combination of rewards, opportunities, culture, and work experience offered to employees.

In practice: A recruiting team explains the EVP in a job campaign.

An EVP should describe the actual employee experience.

SHRM ↗

EX — Employee experience

HR operations · HR practice · Common HR usage — Employees' experience of their work and interactions with the organization.

In practice: An EX survey asks about onboarding and manager support.

Different employers measure different parts of the experience.

SHRM ↗

FCRA — Fair Credit Reporting Act

Employment law · Law or regulation · U.S. specific — A federal law with requirements relevant to employment use of consumer reports.

In practice: HR reviews its background-report process under the FCRA.

Other federal and state rules can also affect screening.

FTC ↗

FEHA — Fair Employment and Housing Act

State-specific references · Law or program · State-specific — A California law addressing discrimination and related protections, including employment provisions.

In practice: HR reviews a California accommodation issue under FEHA.

State protections may differ from federal requirements.

California CRD ↗

FICA — Federal Insurance Contributions Act

Payroll & tax · Payroll term · U.S. specific — The federal law associated with Social Security and Medicare payroll taxes.

In practice: A pay statement shows deductions associated with FICA.

Social Security and Medicare have different tax mechanics.

IRS ↗

FIT — Federal income tax

Payroll & tax · Payroll term · U.S. specific — Federal income tax, commonly used as a payroll withholding label.

In practice: A payroll report includes FIT withheld from wages.

Income-tax withholding is distinct from FICA taxes.

IRS ↗

FLSA — Fair Labor Standards Act

Employment law · Law or regulation · U.S. specific — The federal law addressing minimum wage, overtime, recordkeeping, and youth employment standards.

In practice: HR reviews a position's FLSA classification.

Job titles and salary alone do not determine exemption.

DOL ↗

FMLA — Family and Medical Leave Act

Employment law · Law or regulation · U.S. specific — A federal law providing qualifying employees of covered employers with specified leave protections.

In practice: HR evaluates an employee's FMLA request.

FMLA protection and pay replacement are separate issues.

DOL ↗

FMV — Fair market value

Compensation & rewards · HR practice · Common HR usage — A valuation concept used in tax and compensation contexts.

In practice: A stock plan uses FMV for an applicable transaction.

The required valuation method depends on the context.

IRS ↗

FNC — Final nonconfirmation

Immigration & work authorization · Legal or program term · U.S. specific — An E-Verify case result reached under specified verification procedures.

In practice: An employer reviews the required response to an FNC.

Follow the current system instructions and applicable rules.

E-Verify ↗

FSA — Flexible spending arrangement

Health & welfare benefits · Benefit term · U.S. specific — An employer-established arrangement allowing eligible expenses to be reimbursed under stated tax rules.

In practice: An employee elects a health FSA during enrollment.

Health and dependent-care arrangements have different rules.

IRS ↗

FT — Full-time

HR operations · HR practice · Common HR usage — An employment or schedule label for a full-time arrangement.

In practice: A job posting describes an FT schedule.

Full-time definitions differ across policies and laws.

IRS ↗

FTE — Full-time equivalent

HR operations · HR practice · Common HR usage — A measure that converts working hours into units of full-time capacity.

In practice: Two half-time schedules may represent one FTE for internal planning.

An internal FTE calculation differs from ACA-specific counting rules.

IRS ↗

FUTA — Federal Unemployment Tax Act

Payroll & tax · Payroll term · U.S. specific — The federal law underlying employer federal unemployment tax.

In practice: Payroll reviews FUTA reporting for the year.

FUTA is an employer tax; state unemployment is a separate system.

IRS ↗

GenAI — Generative artificial intelligence

HR technology & privacy · Technology term · Common HR usage — AI designed to generate content such as text, images, or code.

In practice: HR reviews a GenAI draft before sharing it.

Generated text can contain errors or unsupported claims.

NIST ↗

GHP — Group health plan

Health & welfare benefits · Benefit term · U.S. specific — A health-benefit arrangement covering a group such as employees and their dependents.

In practice: HR identifies which benefits form part of a GHP.

Acronym usage does not determine a plan's legal classification.

DOL ↗

GHS — Globally Harmonized System of Classification and Labelling of Chemicals

Workplace safety · Safety term · Common HR usage — An international framework for chemical hazard classification and communication.

In practice: A safety team recognizes GHS-style hazard pictograms.

U.S. implementation follows applicable OSHA requirements.

OSHA ↗

GI — Guaranteed issue

Health & welfare benefits · Benefit term · U.S. specific — Coverage available without specified individual medical underwriting, subject to stated conditions.

In practice: A benefits guide describes a GI coverage amount.

Guaranteed issue does not mean every benefit is payable without policy conditions.

HealthCare.gov ↗

GINA — Genetic Information Nondiscrimination Act

Employment law · Law or regulation · U.S. specific — A federal law that includes employment protections relating to genetic information.

In practice: HR avoids requesting family medical history in an inappropriate process.

Genetic information has a legal meaning beyond a genetic test result.

EEOC ↗

GPHR — Global Professional in Human Resources

Professional credentials · Credential or organization · Common HR usage — An HRCI credential focused on global HR practice.

In practice: An international HR leader reviews GPHR requirements.

Global credential scope differs from U.S.-specific credential scope.

HRCI ↗

GS — General Schedule

Agencies & official references · Agency or reference · U.S. specific — A major federal civilian white-collar pay classification system.

In practice: A federal job posting identifies a GS grade.

GS grades do not describe all federal or private-sector jobs.

OPM ↗

H-1B — Specialty occupation nonimmigrant classification

Immigration & work authorization · Legal shorthand · U.S. specific — A U.S. immigration classification commonly associated with qualifying specialty occupation employment.

In practice: An employer seeks advice on an H-1B petition.

This is a classification designation, not an acronym; current eligibility and procedures matter.

USCIS ↗

HAZCOM — Hazard communication

Workplace safety · Safety term · Common HR usage — The process and regulatory framework for informing workers about chemical hazards.

In practice: A workplace HAZCOM program includes labels and training.

Check the current applicable standard and workplace requirements.

OSHA ↗

HC — Headcount

HR operations · HR practice · Common HR usage — The number of people counted in a defined workforce population.

In practice: The monthly report compares HC with FTE capacity.

Specify whether contractors, inactive employees, and open roles are included.

BLS ↗

HCE — Highly compensated employee

Retirement plans · Benefit term · U.S. specific — A statutory employee category used for specified retirement-plan requirements.

In practice: A plan administrator identifies HCEs for testing.

Thresholds and elections are time-sensitive; do not use a generic salary label.

IRS ↗

HCM — Human capital management

HR operations · HR practice · Common HR usage — An approach to planning, managing, and developing workforce capabilities; also a software category.

In practice: A company evaluates HCM tools for people planning.

Software vendors use HCM, HRMS, and HRIS differently.

TimeTrex ↗

HDHP — High deductible health plan

Health & welfare benefits · Benefit term · U.S. specific — A health plan with a higher deductible; for HSA purposes it must meet specific federal criteria.

In practice: An employee checks whether a plan is HSA-qualified.

A high deductible alone does not establish HSA eligibility.

IRS ↗

HI — Hospital Insurance

Payroll & tax · Payroll term · U.S. specific — The Medicare Part A program category associated with Medicare payroll tax.

In practice: Payroll distinguishes HI tax from OASDI tax.

Medicare tax rules differ from Social Security rules.

IRS ↗

HIPAA — Health Insurance Portability and Accountability Act

Employment law · Law or regulation · U.S. specific — A federal law with health coverage provisions and health-information privacy and security rules.

In practice: HR distinguishes employment records from health-plan records.

HIPAA generally does not cover an employer's employment records simply because they contain health information.

HHS ↗

HMO — Health maintenance organization

Health & welfare benefits · Benefit term · U.S. specific — A health-plan model typically centered on a provider network and coordinated care.

In practice: An employee reviews an HMO's provider access rules.

Referral and out-of-network rules depend on the plan.

HealthCare.gov ↗

HR — Human resources

HR operations · HR practice · Common HR usage — The people function that supports employment, workplace policies, benefits, and employee needs.

In practice: An employee asks HR how to update a beneficiary.

HR responsibilities differ by organization.

SHRM ↗

HRA — Health reimbursement arrangement

Health & welfare benefits · Benefit term · U.S. specific — An employer-funded arrangement reimbursing eligible medical expenses under specified rules.

In practice: A benefits guide explains which expenses its HRA reimburses.

An HRA is distinct from an employee-owned HSA.

IRS ↗

HRBP — Human resources business partner

HR operations · HR practice · Common HR usage — An HR role that advises a business unit on its people priorities.

In practice: The HRBP helps a manager plan a team restructure.

Authority and responsibilities depend on the organization.

SHRM ↗

HRCI — HR Certification Institute

Professional credentials · Credential or organization · Common HR usage — An organization issuing human resources professional certifications.

In practice: A practitioner reviews HRCI credential requirements.

Check current eligibility and recertification rules with the issuer.

HRCI ↗

HRD — Human resource development

HR operations · HR practice · Common HR usage — Work that develops employee skills and organizational capability.

In practice: An HRD program prepares new supervisors.

HRD can also mean human resources director in job titles.

OPM ↗

HRD — Human resources director

HR operations · HR practice · Common HR usage — A leader who manages the HR function or a major HR team.

In practice: The HRD reviews the department's staffing plan.

Read the job title context to distinguish human resource development.

SHRM ↗

HRIS — Human resources information system

HR technology & privacy · Technology term · Common HR usage — Software used to maintain employee information and support core HR processes.

In practice: HR updates an employee's record in the HRIS.

Vendor usage overlaps with HRMS and HCM.

TimeTrex ↗

HRM — Human resource management

HR operations · HR practice · Common HR usage — The coordinated management of people policies, employment practices, and workforce support.

In practice: HRM connects hiring, development, pay, and employee relations.

The abbreviation may also describe a software category.

SHRM ↗

HRMS — Human resources management system

HR technology & privacy · Technology term · Common HR usage — A software category covering HR administration and related processes.

In practice: A company evaluates HRMS payroll and attendance functions.

Compare actual capabilities rather than relying on the product label.

TimeTrex ↗

HRSS — Human resources shared services

HR operations · HR practice · Common HR usage — A centralized service team that handles common HR transactions and requests.

In practice: HRSS answers questions about address changes and leave balances.

Service scope varies by organization.

SHRM ↗

HSA — Health savings account

Health & welfare benefits · Benefit term · U.S. specific — A tax-favored account for eligible individuals to pay qualified medical expenses.

In practice: An eligible employee contributes to an HSA through payroll.

Account ownership, eligibility, and tax rules differ from an FSA.

IRS ↗

I-9 — Employment Eligibility Verification

Immigration & work authorization · Form designation · U.S. specific — The USCIS form used to verify identity and employment authorization for covered hires.

In practice: A new hire completes the employee portion of Form I-9.

Follow current document, timing, retention, and anti-discrimination rules.

USCIS ↗

IAM — Identity and access management

HR technology & privacy · Technology term · Common HR usage — Processes and technology for managing digital identities and access rights.

In practice: An IAM process removes access when employment ends.

HR status changes should connect to timely access reviews.

NIST ↗

IC — Independent contractor

HR operations · HR practice · Common HR usage — A worker or business providing services in a relationship classified as independent contracting.

In practice: HR reviews an IC engagement with the responsible advisers.

A contract label or Form 1099 alone does not establish classification.

IRS ↗

ICHRA — Individual coverage health reimbursement arrangement

Health & welfare benefits · Benefit term · U.S. specific — An HRA arrangement used with qualifying individual health coverage or Medicare under applicable rules.

In practice: An employer considers offering an ICHRA.

Eligibility, employee classes, notices, and other conditions require review.

IRS ↗

IdP — Identity provider

HR technology & privacy · Technology term · Common HR usage — A service that authenticates users and provides identity information to other systems.

In practice: The HR portal relies on the organization's IdP.

In learning contexts IDP can instead mean individual development plan.

NIST ↗

IDP — Individual development plan

Learning & development · HR practice · Common HR usage — A plan identifying an individual's development goals and activities.

In practice: An employee and manager agree an IDP with target dates.

An IDP is distinct from a performance improvement plan.

OPM ↗

IER — Immigrant and Employee Rights Section

Agencies & official references · Agency or reference · U.S. specific — The Justice Department section addressing specified immigration-related employment discrimination.

In practice: HR reviews document-request practices for IER-related concerns.

Verification obligations do not authorize unlawful document demands.

DOJ ↗

IJP — Internal job posting

Recruiting & hiring · HR practice · Common HR usage — A vacancy notice made available to current employees.

In practice: An employee applies through the IJP program.

Eligibility and posting practices depend on the employer's policy.

SHRM ↗

ILT — Instructor-led training

Learning & development · HR practice · Common HR usage — Learning facilitated by an instructor in person or through a live session.

In practice: New managers attend an ILT workshop.

The delivery label does not specify the quality or depth of learning.

OPM ↗

IP — Interactive process

Employee & labor relations · HR practice · Common HR usage — A dialogue used to understand accommodation needs and possible effective options.

In practice: HR documents an IP discussion about a workplace adjustment.

This abbreviation is informal and has other meanings outside HR.

JAN ↗

IRA — Individual retirement arrangement

Retirement plans · Benefit term · U.S. specific — A tax-favored personal retirement arrangement subject to federal rules.

In practice: An employee compares an IRA with an employer plan.

Eligibility, deductions, and distributions depend on the arrangement and circumstances.

IRS ↗

IRCA — Immigration Reform and Control Act

Employment law · Law or regulation · U.S. specific — A federal law associated with employment eligibility verification and immigration-related employment protections.

In practice: HR reviews employment verification responsibilities.

Verification and anti-discrimination duties must be considered together.

USCIS ↗

IRS — Internal Revenue Service

Agencies & official references · Agency or reference · U.S. specific — The federal agency administering U.S. internal revenue laws.

In practice: Payroll consults IRS instructions before preparing a return.

A federal tax rule does not replace applicable state requirements.

IRS ↗

ISO — Incentive stock option

Compensation & rewards · HR practice · Common HR usage — A stock option category with specific U.S. tax requirements.

In practice: An employee reviews the exercise terms of an ISO grant.

Tax outcomes depend on statutory conditions and the person's circumstances.

IRS ↗

ITIN — Individual taxpayer identification number

Payroll & tax · Payroll term · U.S. specific — An IRS tax-processing number for certain individuals who cannot obtain an SSN.

In practice: A tax record may identify a payee using an ITIN.

An ITIN does not authorize employment in the United States.

IRS ↗

JAN — Job Accommodation Network

Workplace safety · Safety term · Common HR usage — A resource providing information about workplace accommodations and disability employment matters.

In practice: HR consults JAN for accommodation ideas.

Resource suggestions require assessment against the individual's situation.

JAN ↗

JD — Job description

Recruiting & hiring · HR practice · Common HR usage — A document explaining a role's responsibilities and requirements.

In practice: A manager updates the JD before opening a requisition.

Distinguish essential functions from preferences and incidental tasks.

OPM ↗

JHA — Job hazard analysis

Workplace safety · Safety term · Common HR usage — A process for identifying hazards associated with the steps of a job.

In practice: A team conducts a JHA before a new maintenance task.

Controls should follow from the hazards identified.

OSHA ↗

JOLTS — Job Openings and Labor Turnover Survey

Performance & people analytics · HR practice · Common HR usage — A BLS survey measuring job openings, hires, and separations.

In practice: HR reviews JOLTS data for labor-market context.

National or industry data do not describe one employer's exact situation.

BLS ↗

JS — Job specification

Recruiting & hiring · HR practice · Common HR usage — A description of the qualifications and capabilities sought for a role.

In practice: TA checks that the JS reflects actual job needs.

Some employers combine job specifications with the job description.

OPM ↗

KPI — Key performance indicator

Performance & people analytics · HR practice · Common HR usage — A selected measure used to track progress against an important objective.

In practice: An HR dashboard shows a KPI for onboarding completion.

A useful KPI needs a clear definition, owner, and reporting period.

OPM ↗

KR — Key result

Performance & people analytics · HR practice · Common HR usage — A measurable result used to assess progress toward an objective.

In practice: A hiring objective includes a KR with a defined target.

Specify the baseline and measurement period.

OPM ↗

KSA — Knowledge, skills, and abilities

Recruiting & hiring · HR practice · Common HR usage — Categories used to describe capabilities relevant to job performance.

In practice: An interview assesses KSAs identified through job analysis.

Requirements should connect to the actual work.

OPM ↗

KSAO — Knowledge, skills, abilities, and other characteristics

Recruiting & hiring · HR practice · Common HR usage — A job-analysis framework that includes relevant attributes beyond knowledge and skill.

In practice: A selection plan maps KSAOs to assessment methods.

Other characteristics should be job relevant and legally appropriate.

OPM ↗

L&D — Learning and development

Learning & development · HR practice · Common HR usage — Activities that help employees develop knowledge, skills, and capabilities.

In practice: L&D creates a supervisor learning program.

Training completion alone does not demonstrate practical competence.

OPM ↗

LCA — Labor condition application

Immigration & work authorization · Legal or program term · U.S. specific — A DOL application associated with specified nonimmigrant employment categories.

In practice: An employer reviews LCA obligations for a proposed role.

An approved LCA alone does not confer immigration status.

DOL ↗

LIT — Local income tax

Payroll & tax · Payroll term · U.S. specific — Income tax imposed by an applicable local jurisdiction.

In practice: Payroll checks LIT for a city worksite.

Local tax systems are not uniform nationwide.

IRS ↗

LLM — Large language model

HR technology & privacy · Technology term · Common HR usage — A language model trained on large amounts of data to process and generate text.

In practice: A team evaluates an LLM for drafting internal help content.

Fluent output does not guarantee factual accuracy.

NIST ↗

LMRA — Labor Management Relations Act

Employment law · Law or regulation · U.S. specific — A federal law commonly known as the Taft-Hartley Act that amended U.S. labor law.

In practice: A labor-relations team reviews the LMRA context.

Specific provisions and coverage require legal analysis.

NLRB ↗

LMRDA — Labor-Management Reporting and Disclosure Act

Employment law · Law or regulation · U.S. specific — A federal law addressing specified union democracy, reporting, and disclosure matters.

In practice: A labor-relations specialist identifies LMRDA reporting issues.

LMRDA is distinct from the NLRA's labor-relations framework.

DOL ↗

LMS — Learning management system

Learning & development · HR practice · Common HR usage — Software for assigning, delivering, recording, or reporting learning activities.

In practice: An LMS records completion of required training.

A completion record is not proof that a skill was mastered.

TimeTrex ↗

LOA — Leave of absence

Time, attendance & leave · HR practice · Common HR usage — An approved or otherwise recognized period away from work.

In practice: HR records an LOA and the expected return date.

A leave may be paid or unpaid and protected or unprotected.

DOL ↗

LOA — Letter of appointment

Time, attendance & leave · HR practice · Common HR usage — A letter setting out an appointment or employment arrangement.

In practice: A university issues an LOA for a new appointment.

This meaning is especially relevant in academic and public-sector contexts.

OPM ↗

LOTO — Lockout/tagout

Workplace safety · Safety term · Common HR usage — Procedures for controlling hazardous energy during specified servicing and maintenance work.

In practice: Trained workers follow the required LOTO procedure.

A glossary cannot substitute for task-specific training and procedures.

OSHA ↗

LPFSA — Limited-purpose flexible spending arrangement

Health & welfare benefits · Benefit term · U.S. specific — An FSA restricted to permitted expense categories, often dental and vision expenses.

In practice: An employee reviews LPFSA coverage alongside an HSA.

Confirm the exact permitted expenses and plan design.

IRS ↗

LPR — Lawful permanent resident

Immigration & work authorization · Legal or program term · U.S. specific — A person authorized to live permanently in the United States under immigration law.

In practice: HR follows I-9 rules for an LPR employee.

Employers must not demand a particular acceptable document based on this status.

USCIS ↗

LR — Labor relations

Employee & labor relations · HR practice · Common HR usage — The discipline addressing relationships between employers, workers, and labor organizations.

In practice: LR supports negotiations with a bargaining representative.

Employee relations can cover a broader set of individual workplace matters.

NLRB ↗

LRS — Learning record store

Learning & development · HR practice · Common HR usage — A service that receives and stores learning-experience statements.

In practice: An LRS stores xAPI records from multiple activities.

An LRS is not necessarily a full learning management system.

ADL ↗

LTD — Long-term disability

Time, attendance & leave · HR practice · Common HR usage — A benefit arrangement that may replace part of income during a qualifying longer-term disability.

In practice: HR directs an employee to the LTD plan documents.

Definitions, waiting periods, and offsets depend on the policy.

HealthCare.gov ↗

LTI — Long-term incentive

Compensation & rewards · HR practice · Common HR usage — A reward arrangement intended to support performance or retention over multiple years.

In practice: An executive receives an LTI award with vesting conditions.

An award's stated value may differ from its realized value.

IRS ↗

LWOP — Leave without pay

Time, attendance & leave · HR practice · Common HR usage — An authorized period of absence without pay under the applicable policy.

In practice: A supervisor records approved LWOP.

LWOP is not automatically the same as job-protected leave.

OPM ↗

LXP — Learning experience platform

Learning & development · HR practice · Common HR usage — A software category focused on discovering and engaging with learning resources.

In practice: Employees explore recommended courses through an LXP.

Product boundaries between an LMS and LXP vary.

TimeTrex ↗

MBO — Management by objectives

Performance & people analytics · HR practice · Common HR usage — A management approach linking performance to agreed objectives.

In practice: A manager and employee review MBO goals.

Results should be interpreted alongside quality, context, and conduct.

OPM ↗

MEC — Minimum essential coverage

Health & welfare benefits · Benefit term · U.S. specific — A health-coverage category defined for specified ACA purposes.

In practice: A benefits team checks whether coverage qualifies as MEC.

MEC is distinct from minimum value and affordability.

IRS ↗

MFA — Multifactor authentication

HR technology & privacy · Technology term · Common HR usage — Authentication using more than one distinct category of factor.

In practice: An HR administrator uses MFA when signing in.

Multiple steps using the same factor category are not necessarily multifactor.

NIST ↗

MHPAEA — Mental Health Parity and Addiction Equity Act

Employment law · Law or regulation · U.S. specific — A federal law addressing parity between specified mental-health or substance-use benefits and medical or surgical benefits.

In practice: A benefits team reviews MHPAEA issues with its advisers.

Application depends on current rules and the plan's circumstances.

DOL ↗

ML — Machine learning

HR technology & privacy · Technology term · Common HR usage — Methods that fit computational models using data to perform specified tasks.

In practice: A vendor describes an ML model used for predictions.

Performance depends on data, validation, and the use setting.

NIST ↗

MOA — Memorandum of agreement

Employee & labor relations · HR practice · Common HR usage — A document recording an agreement on specified matters.

In practice: The parties sign an MOA addressing a particular workplace issue.

Terminology varies; the document's substance matters.

NLRB ↗

MOU — Memorandum of understanding

Employee & labor relations · HR practice · Common HR usage — A document recording an agreed understanding between parties.

In practice: A labor-management MOU records a scheduling arrangement.

Legal effect depends on its terms and context.

NLRB ↗

MSP — Managed service provider

Recruiting & hiring · HR practice · Common HR usage — A provider that manages a defined set of outsourced services; in HR, often contingent labor programs.

In practice: An MSP coordinates staffing suppliers for a business.

The abbreviation is also common in IT services.

SHRM ↗

MSS — Manager self-service

HR operations · HR practice · Common HR usage — Tools that allow managers to complete authorized people-management tasks.

In practice: A supervisor approves a time-off request through MSS.

Approval authority should match the organization's process.

TimeTrex ↗

MTD — Month to date

Payroll & tax · Payroll term · U.S. specific — A running total from the start of a stated month through the reporting date.

In practice: A labor-cost report displays MTD overtime.

Confirm whether timing follows pay dates or work dates.

TimeTrex ↗

MV — Minimum value

Health & welfare benefits · Benefit term · U.S. specific — An ACA concept addressing the value of specified employer-sponsored health coverage.

In practice: An employer reviews whether its health plan provides MV.

Minimum value does not mean minimum essential coverage.

IRS ↗

NAICS — North American Industry Classification System

Performance & people analytics · HR practice · Common HR usage — A system used to classify business establishments by economic activity.

In practice: An analyst selects the relevant NAICS industry for wage comparisons.

Industry classification differs from occupational classification.

BLS ↗

NDA — Nondisclosure agreement

Employee & labor relations · HR practice · Common HR usage — An agreement addressing the use or disclosure of specified information.

In practice: A worker reviews an NDA before receiving confidential business information.

An NDA cannot be assumed to override protected disclosures or employee rights.

NLRB ↗

NHCE — Non-highly compensated employee

Retirement plans · Benefit term · U.S. specific — An employee outside the applicable highly compensated employee category for plan purposes.

In practice: A plan test separates HCE and NHCE groups.

This technical category depends on the specific statutory definition.

IRS ↗

NIOSH — National Institute for Occupational Safety and Health

Agencies & official references · Agency or reference · U.S. specific — The federal institute conducting occupational safety and health research.

In practice: A safety team reviews NIOSH prevention resources.

NIOSH research and OSHA enforcement are different functions.

OSHA ↗

NLP — Natural language processing

HR technology & privacy · Technology term · Common HR usage — Computational methods for processing and analyzing human language.

In practice: A system uses NLP to group employee feedback themes.

Language and context can affect results.

NIST ↗

NLRA — National Labor Relations Act

Employment law · Law or regulation · U.S. specific — A federal law governing specified labor-relations and concerted-activity rights.

In practice: HR reviews a policy affecting employees discussing working conditions.

Coverage is not limited to workplaces with a union.

NLRB ↗

NLRB — National Labor Relations Board

Agencies & official references · Agency or reference · U.S. specific — The federal agency administering the NLRA.

In practice: LR follows an NLRB representation proceeding.

The agency's jurisdiction has specific limits.

NLRB ↗

NQDC — Nonqualified deferred compensation

Compensation & rewards · HR practice · Common HR usage — An arrangement deferring compensation outside qualified retirement-plan rules.

In practice: An executive reviews an NQDC agreement.

Tax timing and payment restrictions require specialist review.

IRS ↗

NSO — Nonstatutory stock option

Compensation & rewards · HR practice · Common HR usage — A stock option that does not qualify as a statutory option under the applicable tax rules.

In practice: An employee receives an NSO award.

Nonqualified stock option is a common alternate label.

IRS ↗

O*NET — Occupational Information Network

Performance & people analytics · HR practice · Common HR usage — A U.S. occupational information system describing work and worker requirements.

In practice: HR uses O*NET as an input to job analysis.

Employer-specific job duties still require direct review.

O*NET ↗

OAR — Offer acceptance rate

Recruiting & hiring · HR practice · Common HR usage — Accepted offers divided by offers extended within a defined reporting scope.

In practice: A recruiting report measures OAR for a quarter.

Specify how withdrawn, expired, and pending offers are handled.

SHRM ↗

OASDI — Old-Age, Survivors, and Disability Insurance

Payroll & tax · Payroll term · U.S. specific — The Social Security program category associated with the Social Security portion of payroll tax.

In practice: An earnings report separates OASDI and Medicare wages.

Do not treat the Social Security wage base as a Medicare wage cap.

SSA ↗

OD — Organizational development

Learning & development · HR practice · Common HR usage — Planned work to improve organizational effectiveness, relationships, and ways of working.

In practice: An OD practitioner helps teams improve collaboration.

OD is broader than individual employee training.

OPM ↗

OE — Open enrollment

Health & welfare benefits · Benefit term · U.S. specific — A designated period for choosing or changing benefits under a plan or program.

In practice: An employee reviews benefit elections during OE.

Deadlines and permissible changes vary by plan and program.

HealthCare.gov ↗

OFCCP — Office of Federal Contract Compliance Programs

Agencies & official references · Agency or reference · U.S. specific — A DOL office associated with federal-contractor compliance responsibilities.

In practice: A federal contractor checks current OFCCP notices.

Contractor obligations and enforcement changes require current source review.

DOL ↗

OJT — On-the-job training

Learning & development · HR practice · Common HR usage — Learning that takes place while performing job tasks with guidance.

In practice: A new hire completes supervised OJT on a scheduling process.

Effective OJT needs clear tasks, support, and verification.

OPM ↗

OKR — Objectives and key results

Performance & people analytics · HR practice · Common HR usage — A goal-setting framework pairing objectives with measurable results.

In practice: A team sets an objective supported by several KRs.

Targets should describe outcomes rather than only tasks.

OPM ↗

OLMS — Office of Labor-Management Standards

Agencies & official references · Agency or reference · U.S. specific — A DOL office administering specified labor-management reporting and disclosure laws.

In practice: A labor-relations specialist checks OLMS reporting guidance.

OLMS and the NLRB serve different statutory roles.

DOL ↗

OOP — Out of pocket

Health & welfare benefits · Benefit term · U.S. specific — Costs paid directly by a covered person under the relevant coverage arrangement.

In practice: A benefits worksheet compares expected OOP costs.

Not every expense necessarily counts toward a plan's limit.

HealthCare.gov ↗

OOPM — Out-of-pocket maximum

Health & welfare benefits · Benefit term · U.S. specific — A plan limit on specified covered cost sharing within a stated period.

In practice: An employee reviews the OOPM in the benefits summary.

Premiums, excluded services, and some other costs may not count.

HealthCare.gov ↗

OPM — Office of Personnel Management

Agencies & official references · Agency or reference · U.S. specific — The federal agency responsible for major federal civilian personnel-management functions.

In practice: A federal HR specialist consults OPM guidance.

Federal personnel rules are not universal private-sector HR rules.

OPM ↗

OPT — Optional practical training

Immigration & work authorization · Legal or program term · U.S. specific — Employment authorization connected to eligible F-1 students under specified conditions.

In practice: HR reviews an OPT hire's work authorization documents.

Authorization dates, degree relevance, and applicable rules require review.

USCIS ↗

OSH Act — Occupational Safety and Health Act

Workplace safety · Safety term · Common HR usage — The U.S. federal law establishing the occupational safety and health framework.

In practice: HR coordinates responsibilities connected to the OSH Act.

Coverage and state-plan requirements need separate review.

OSHA ↗

OSHA — Occupational Safety and Health Administration

Agencies & official references · Agency or reference · U.S. specific — The federal agency responsible for occupational safety and health standards and enforcement.

In practice: HR coordinates required safety records with the safety team.

Approved state plans may administer applicable workplace requirements.

OSHA ↗

OT — Overtime

Time, attendance & leave · HR practice · Common HR usage — Work or pay treated as overtime under an applicable law or policy.

In practice: Payroll reviews OT recorded for a workweek.

The governing rule may differ from an employer's scheduling convention.

DOL ↗

OTE — On-target earnings

Compensation & rewards · HR practice · Common HR usage — Expected compensation when stated performance targets are achieved, often base pay plus variable pay.

In practice: A sales offer lists base salary and OTE.

OTE is not the same as guaranteed earnings.

SHRM ↗

OWBPA — Older Workers Benefit Protection Act

Employment law · Law or regulation · U.S. specific — A law amending the ADEA, including rules relevant to certain age-claim waivers.

In practice: HR seeks review of an age-claim waiver in a separation agreement.

A waiver's validity depends on specific statutory conditions.

EEOC ↗

PA — People analytics

Performance & people analytics · HR practice · Common HR usage — The use of workforce data to answer questions about people and work.

In practice: PA investigates patterns in retention and mobility.

Associations in data do not by themselves establish causation.

BLS ↗

PA — Personnel action

Performance & people analytics · HR practice · Common HR usage — A documented employment change or administrative action.

In practice: HR records a PA when an employee changes position.

The abbreviation is especially common in personnel systems.

OPM ↗

PBGC — Pension Benefit Guaranty Corporation

Agencies & official references · Agency or reference · U.S. specific — The federal corporation insuring benefits in covered private-sector defined benefit pension plans.

In practice: A benefits team checks PBGC information about a covered plan.

Coverage and guarantee limits vary by plan and circumstances.

PBGC ↗

PBM — Pharmacy benefit manager

Health & welfare benefits · Benefit term · U.S. specific — A company administering specified prescription-drug benefit functions.

In practice: A plan uses a PBM to manage its pharmacy network.

Coverage, pricing, and service responsibilities depend on the arrangement.

HealthCare.gov ↗

PDA — Pregnancy Discrimination Act

Employment law · Law or regulation · U.S. specific — A federal law amending Title VII to address discrimination based on pregnancy, childbirth, and related conditions.

In practice: HR reviews pregnancy-related treatment under the PDA.

PDA and PWFA address overlapping but distinct issues.

EEOC ↗

PDC — Professional development credit

Professional credentials · Credential or organization · Common HR usage — A credit used by SHRM in its recertification framework.

In practice: A credential holder records eligible PDC activities.

Other issuers use different credit systems.

SHRM ↗

PDL — Pregnancy disability leave

State-specific references · Law or program · State-specific — A California leave protection for qualifying pregnancy-related disability under state law.

In practice: HR evaluates a California employee's PDL rights.

PDL, CFRA, and FMLA should not be treated as interchangeable.

California CRD ↗

PEO — Professional employer organization

HR operations · HR practice · Common HR usage — A provider that shares specified employer responsibilities with clients under a service arrangement.

In practice: A small business uses a PEO for payroll and benefits administration.

A PEO arrangement does not transfer every employer obligation.

IRS ↗

PERM — Program Electronic Review Management

Immigration & work authorization · Legal or program term · U.S. specific — The DOL process associated with permanent labor certification for certain employment-based immigration cases.

In practice: An employer seeks advice about PERM recruitment requirements.

Labor certification and immigration petition approval are different steps.

DOL ↗

PFL — Paid family leave

Time, attendance & leave · HR practice · Common HR usage — A benefit or leave program associated with covered family-related needs.

In practice: HR checks a PFL program for a worker's location.

Payment and job protection are not identical across programs.

New York ↗

PFML — Paid family and medical leave

Time, attendance & leave · HR practice · Common HR usage — A program covering specified family and personal medical leave needs.

In practice: HR checks PFML rules for the relevant state.

State programs differ; the acronym is not one nationwide program.

Washington ESD ↗

PHI — Protected health information

HR technology & privacy · Technology term · Common HR usage — Individually identifiable health information protected under HIPAA in covered contexts.

In practice: A health plan applies controls to records containing PHI.

Medical information in employment records is not automatically HIPAA PHI.

HHS ↗

PHR — Professional in Human Resources

Professional credentials · Credential or organization · Common HR usage — An HRCI credential associated with operational HR knowledge and practice in the U.S.

In practice: An HR professional reviews PHR exam requirements.

A certification is distinct from a professional license.

HRCI ↗

PHRca — Professional in Human Resources - California

Professional credentials · Credential or organization · Common HR usage — An HRCI credential focused on California HR knowledge.

In practice: An HR specialist reviews PHRca certification.

Certification does not replace checking current California requirements.

HRCI ↗

PII — Personally identifiable information

HR technology & privacy · Technology term · Common HR usage — Information that can identify or be linked to a person in a given context.

In practice: HR limits access to files containing PII.

Applicable definitions and protection requirements vary by law and system.

NIST ↗

PIP — Performance improvement plan

Employee & labor relations · HR practice · Common HR usage — A documented process setting expectations and support for improving performance.

In practice: A manager and employee discuss a PIP with clear milestones.

A PIP is an employer process, not a legal prerequisite in every situation.

OPM ↗

POS — Point of service

Health & welfare benefits · Benefit term · U.S. specific — A health-plan model combining features of network-based coordinated care and other provider options.

In practice: An employee reviews referral rules in a POS plan.

POS also has unrelated meanings outside benefits.

HealthCare.gov ↗

PPE — Personal protective equipment

Workplace safety · Safety term · Common HR usage — Equipment worn to help protect workers from specified hazards.

In practice: A safety assessment identifies required PPE.

Selection, fit, training, and maintenance matter.

OSHA ↗

PPO — Preferred provider organization

Health & welfare benefits · Benefit term · U.S. specific — A health-plan model using a preferred provider network, often with some out-of-network coverage.

In practice: An employee compares a PPO's in-network and out-of-network costs.

Plan terms determine the actual coverage and costs.

HealthCare.gov ↗

PSL — Paid sick leave

Time, attendance & leave · HR practice · Common HR usage — Paid leave for covered health-related or other permitted reasons.

In practice: An employee uses PSL under the applicable policy.

Federal, state, local, and employer rules may differ.

DOL ↗

PT — Part-time

HR operations · HR practice · Common HR usage — An employment or schedule label for work below a stated full-time standard.

In practice: HR posts a PT role with a defined weekly schedule.

Part-time status does not automatically remove benefit or legal protections.

IRS ↗

PTO — Paid time off

Time, attendance & leave · HR practice · Common HR usage — Employer-provided paid leave that may combine or cover specified absence reasons.

In practice: An employee requests PTO for a planned vacation.

PTO pay and legal leave protection are separate questions.

TimeTrex ↗

PUMP — Providing Urgent Maternal Protections for Nursing Mothers Act

Employment law · Law or regulation · U.S. specific — A federal law expanding workplace break-time and space protections for pumping breast milk.

In practice: HR reviews a lactation-space arrangement.

PUMP amended the FLSA; coverage and exceptions require current review.

DOL ↗

PWD — Prevailing wage determination

Immigration & work authorization · Legal or program term · U.S. specific — A determination of the wage applicable under a specified labor-certification process.

In practice: An employer requests a PWD for a covered immigration case.

The applicable process and job facts affect the determination.

DOL ↗

PWFA — Pregnant Workers Fairness Act

Employment law · Law or regulation · U.S. specific — A federal law concerning reasonable accommodation for known limitations related to pregnancy, childbirth, or related medical conditions.

In practice: An employee requests a workplace change under the PWFA.

Consult current legal requirements and applicable guidance.

EEOC ↗

QB — Qualified beneficiary

Health & welfare benefits · Benefit term · U.S. specific — A person with specified continuation-coverage rights under COBRA.

In practice: A plan identifies QBs following a qualifying event.

Status depends on the applicable coverage and event requirements.

DOL ↗

QDRO — Qualified domestic relations order

Retirement plans · Benefit term · U.S. specific — A domestic relations order that meets applicable requirements to assign certain retirement-plan benefits.

In practice: A plan administrator reviews an order to determine QDRO status.

The plan must evaluate the order under its procedures and law.

DOL ↗

QE — Qualifying event

Health & welfare benefits · Benefit term · U.S. specific — In COBRA, a specified event connected to a loss of covered health benefits.

In practice: A benefits administrator evaluates whether a termination is a QE.

Not every life event is a COBRA qualifying event.

DOL ↗

QLE — Qualifying life event

Health & welfare benefits · Benefit term · U.S. specific — Common benefits shorthand for an event that may permit an enrollment or election change.

In practice: An employee reports a QLE after a family change.

The precise event, election, deadline, and program rules matter.

HealthCare.gov ↗

QMAC — Qualified matching contribution

Retirement plans · Benefit term · U.S. specific — An employer matching contribution meeting specified qualification conditions.

In practice: A plan administrator reviews whether a contribution qualifies as a QMAC.

It is not a generic label for every employer match.

IRS ↗

QNEC — Qualified nonelective contribution

Retirement plans · Benefit term · U.S. specific — An employer contribution meeting specified qualification conditions for retirement-plan purposes.

In practice: A plan considers a QNEC as part of a correction.

Permitted uses and conditions require current plan and tax review.

IRS ↗

QoH — Quality of hire

Recruiting & hiring · HR practice · Common HR usage — An employer-defined measure of a new hire's outcomes or contribution.

In practice: A team reviews QoH using performance and retention measures.

There is no single universal formula for this measure.

OPM ↗

QSEHRA — Qualified small employer health reimbursement arrangement

Health & welfare benefits · Benefit term · U.S. specific — A reimbursement arrangement available to eligible small employers meeting statutory conditions.

In practice: A small employer reviews QSEHRA requirements.

It is not interchangeable with an ICHRA or a traditional group plan.

IRS ↗

QTD — Quarter to date

Payroll & tax · Payroll term · U.S. specific — A running total from the start of a stated quarter through the reporting date.

In practice: Payroll reviews QTD wages before a quarterly filing.

Quarter boundaries should be consistent across reports.

IRS ↗

RA — Reasonable accommodation

Employee & labor relations · HR practice · Common HR usage — A change or adjustment considered under an applicable accommodation framework.

In practice: HR discusses an RA request with an employee.

Standards vary across disability, religion, pregnancy, and other legal contexts.

JAN ↗

RACI — Responsible, accountable, consulted, informed

HR operations · HR practice · Common HR usage — A matrix used to clarify who performs, owns, advises on, and receives updates about work.

In practice: A hiring RACI shows who approves an offer.

Define each role so accountability does not become ambiguous.

OPM ↗

RBAC — Role-based access control

HR technology & privacy · Technology term · Common HR usage — An access model assigning permissions through defined roles.

In practice: Payroll and managers receive different RBAC permissions.

Role design should follow actual job responsibilities.

NIST ↗

REQ — Requisition

Recruiting & hiring · HR practice · Common HR usage — An internal request or record authorizing a position or hiring activity.

In practice: A manager opens a REQ after budget approval.

This is informal workflow shorthand; field names vary.

SHRM ↗

RIF — Reduction in force

HR operations · HR practice · Common HR usage — An employer action eliminating positions or reducing workforce size.

In practice: HR prepares a RIF communication and transition plan.

A RIF can trigger several separate legal review requirements.

DOL ↗

RMD — Required minimum distribution

Retirement plans · Benefit term · U.S. specific — A minimum retirement-account distribution required under applicable rules.

In practice: A retiree checks whether an RMD is due.

Ages, exceptions, account types, and beneficiary rules need current review.

IRS ↗

ROI — Return on investment

Performance & people analytics · HR practice · Common HR usage — A comparison of net benefit with investment cost under a defined method.

In practice: HR estimates ROI for a training proposal.

Assumptions and attributed benefits should be stated explicitly.

OPM ↗

RPA — Robotic process automation

HR technology & privacy · Technology term · Common HR usage — Software automation that performs specified repeatable tasks across applications.

In practice: An RPA workflow transfers approved data into a legacy system.

Automation needs error handling, access controls, and oversight.

TimeTrex ↗

RPO — Recruitment process outsourcing

Recruiting & hiring · HR practice · Common HR usage — Contracting some or all recruiting activities to an external provider.

In practice: An RPO team supports a seasonal hiring campaign.

The service scope and employer responsibilities need explicit agreement.

SHRM ↗

RSU — Restricted stock unit

Compensation & rewards · HR practice · Common HR usage — A contractual right to receive stock or cash under specified vesting and settlement conditions.

In practice: An employee receives RSUs that vest over time.

RSUs are distinct from owning restricted shares at grant.

IRS ↗

RTO — Return to office

Time, attendance & leave · HR practice · Common HR usage — A policy or transition involving more work at an office location.

In practice: HR communicates an RTO schedule.

Do not confuse this with return to work after leave.

SHRM ↗

RTW — Return to work

Time, attendance & leave · HR practice · Common HR usage — A process for resuming work after absence, injury, or illness.

In practice: HR coordinates RTW arrangements after leave.

Medical, accommodation, and leave rules may overlap.

JAN ↗

SaaS — Software as a service

HR technology & privacy · Technology term · Common HR usage — A software delivery model in which a provider hosts an application for customers.

In practice: HR uses a SaaS platform through a browser.

Hosting does not eliminate the customer's access and data-management responsibilities.

NIST ↗

SAR — Summary annual report

Health & welfare benefits · Benefit term · U.S. specific — A summary of specified annual financial information for certain benefit plans.

In practice: A plan administrator distributes a SAR when required.

Not every plan has the same SAR obligations.

DOL ↗

SBC — Summary of benefits and coverage

Health & welfare benefits · Benefit term · U.S. specific — A standardized summary of specified health-plan coverage features.

In practice: An employee compares two plans using their SBCs.

The SBC summarizes coverage; it does not replace all plan documents.

DOL ↗

SCORM — Sharable Content Object Reference Model

Learning & development · HR practice · Common HR usage — A set of specifications supporting interoperability of certain digital learning content and systems.

In practice: L&D checks whether a course package is SCORM-compatible.

Compatibility should be verified for the relevant version and system.

ADL ↗

SDI — State disability insurance

Time, attendance & leave · HR practice · Common HR usage — A state-administered disability insurance program, such as California's.

In practice: A California worker reviews SDI claim information.

State programs differ from employer STD insurance.

California EDD ↗

SDS — Safety data sheet

Workplace safety · Safety term · Common HR usage — A document communicating information about a chemical's hazards and handling.

In practice: An employee consults the SDS for a workplace chemical.

The SDS supports hazard communication and does not replace training.

OSHA ↗

SEP — Special enrollment period

Health & welfare benefits · Benefit term · U.S. specific — An enrollment opportunity available after a qualifying circumstance outside standard enrollment.

In practice: An employee asks about a SEP following a coverage loss.

Health-plan SEP rules differ from SEP retirement-plan rules.

HealthCare.gov ↗

SEP — Simplified employee pension

Retirement plans · Benefit term · U.S. specific — An employer retirement arrangement using individual retirement accounts under SEP rules.

In practice: A small business evaluates a SEP retirement plan.

This meaning differs from a health-plan special enrollment period.

IRS ↗

SF-50 — Notification of Personnel Action

Agencies & official references · Form designation · U.S. specific — A standard federal form documenting certain personnel actions.

In practice: A federal employee reviews an SF-50 after a position change.

SF-50 is a form designation rather than an acronym.

OPM ↗

SFTP — SSH File Transfer Protocol

HR technology & privacy · Technology term · Common HR usage — A file-transfer protocol operating over an SSH-secured connection.

In practice: Payroll receives an approved file through SFTP.

SFTP is distinct from FTP secured with TLS.

NIST ↗

SHRM — Society for Human Resource Management

Professional credentials · Credential or organization · Common HR usage — A professional organization providing HR resources and credentials.

In practice: An HR practitioner consults SHRM professional resources.

Membership and certification are different things.

SHRM ↗

SHRM-CP — SHRM Certified Professional

Professional credentials · Credential or organization · Common HR usage — A professional HR credential offered by SHRM.

In practice: A job posting lists SHRM-CP among relevant credentials.

Credential status and requirements should be checked with the issuer.

SHRM ↗

SHRM-SCP — SHRM Senior Certified Professional

Professional credentials · Credential or organization · Common HR usage — A senior-level professional HR credential offered by SHRM.

In practice: An experienced practitioner considers SHRM-SCP certification.

A credential does not replace role-specific experience or legal advice.

SHRM ↗

SIMPLE — Savings Incentive Match Plan for Employees

Retirement plans · Benefit term · U.S. specific — A retirement-plan arrangement for eligible employers under specified federal rules.

In practice: An eligible employer evaluates a SIMPLE IRA plan.

SIMPLE is a statutory plan label with specific conditions.

IRS ↗

SIT — State income tax

Payroll & tax · Payroll term · U.S. specific — State income tax, often used as a payroll withholding label.

In practice: Payroll configures SIT for an applicable work location.

Not all states impose individual income tax.

IRS ↗

SJT — Situational judgment test

Recruiting & hiring · HR practice · Common HR usage — An assessment asking candidates to evaluate or respond to job-related scenarios.

In practice: Applicants choose a response to a customer-service scenario in an SJT.

Assessment quality and accessibility require separate review.

OPM ↗

SLA — Service level agreement

HR operations · HR practice · Common HR usage — An agreement defining expected service scope and performance targets.

In practice: HRSS sets an SLA for responding to routine requests.

A response target is different from a resolution target.

SHRM ↗

SMART — Specific, measurable, achievable, relevant, time-bound

Performance & people analytics · HR practice · Common HR usage — A common checklist for making goals clear and assessable.

In practice: A manager rewrites a broad goal using SMART criteria.

Alternate expansions exist; agree which version your organization uses.

OPM ↗

SMM — Summary of material modifications

Health & welfare benefits · Benefit term · U.S. specific — A disclosure describing specified material changes to an ERISA plan or its summary information.

In practice: Participants receive an SMM after a plan change.

Timing and disclosure obligations depend on applicable rules.

DOL ↗

SOC — Standard Occupational Classification

Performance & people analytics · HR practice · Common HR usage — The U.S. federal occupational classification system used in statistical work.

In practice: An analyst matches a role to a SOC occupation.

A SOC code does not automatically determine legal job classification.

BLS ↗

SOP — Standard operating procedure

HR operations · HR practice · Common HR usage — A documented sequence for completing a recurring task.

In practice: HR writes an SOP for updating employee records.

An SOP should identify ownership and exceptions.

OPM ↗

SOW — Statement of work

Recruiting & hiring · HR practice · Common HR usage — A document defining agreed work, deliverables, scope, and responsibilities.

In practice: A service engagement uses an SOW with clear deliverables.

An SOW label does not settle employment classification.

IRS ↗

SPD — Summary plan description

Health & welfare benefits · Benefit term · U.S. specific — A participant-facing explanation of an ERISA plan's key terms and rights.

In practice: HR directs a participant to the SPD for benefit details.

The underlying plan and applicable law also matter.

DOL ↗

SPHR — Senior Professional in Human Resources

Professional credentials · Credential or organization · Common HR usage — An HRCI credential associated with strategic HR leadership and practice in the U.S.

In practice: A senior HR practitioner considers SPHR certification.

Eligibility and exam content are defined by HRCI.

HRCI ↗

SSA — Social Security Administration

Agencies & official references · Agency or reference · U.S. specific — The federal agency administering Social Security programs and wage-reporting services.

In practice: An employer submits wage information through SSA services.

SSA and IRS have distinct roles in employment-tax administration.

SSA ↗

SSC — Shared services center

HR operations · HR practice · Common HR usage — A central team providing repeatable services to multiple business units.

In practice: The SSC processes standard employee record changes.

Shared services may include finance and IT as well as HR.

SHRM ↗

SSN — Social Security number

Payroll & tax · Payroll term · U.S. specific — An individual identification number issued by the Social Security Administration.

In practice: Payroll records an employee's SSN for wage reporting.

Handle SSNs as sensitive personal information.

SSA ↗

SSO — Single sign-on

HR technology & privacy · Technology term · Common HR usage — An authentication arrangement allowing access to multiple services through a shared sign-in process.

In practice: Employees use SSO to access the HR portal.

SSO and multifactor authentication serve different purposes.

NIST ↗

STAR — Situation, task, action, result

Recruiting & hiring · HR practice · Common HR usage — A structure for explaining a behavioral example in an interview.

In practice: A candidate uses STAR to describe resolving a scheduling problem.

A useful response identifies what the candidate personally did.

OPM ↗

STD — Short-term disability

Time, attendance & leave · HR practice · Common HR usage — A benefit arrangement that may replace part of income during a qualifying short-term disability.

In practice: An employee asks about STD claim requirements.

Income replacement does not by itself provide job protection.

HealthCare.gov ↗

STEM OPT — Science, technology, engineering, and mathematics optional practical training extension

Immigration & work authorization · Legal or program term · U.S. specific — An extension category for certain eligible F-1 students and qualifying employment.

In practice: An employer reviews its STEM OPT training-plan responsibilities.

Eligibility and employer requirements are specific to the program.

USCIS ↗

STI — Short-term incentive

Compensation & rewards · HR practice · Common HR usage — Variable compensation tied to performance over a relatively short measurement period.

In practice: An annual incentive plan describes STI targets.

Check eligibility, measurement rules, and payout conditions.

OPM ↗

SUI — State unemployment insurance

Payroll & tax · Payroll term · U.S. specific — A state unemployment insurance program or its payroll contribution category.

In practice: The payroll setup includes the relevant SUI jurisdiction.

Contribution responsibility and rules differ by state.

IRS ↗

SUTA — State Unemployment Tax Act

Payroll & tax · Payroll term · U.S. specific — Common payroll shorthand for state unemployment tax requirements.

In practice: Payroll checks the employer's SUTA rate notice.

State terminology, bases, and rates vary.

IRS ↗

T&A — Time and attendance

Time, attendance & leave · HR practice · Common HR usage — Processes and systems that record work time, absences, and attendance.

In practice: A supervisor approves T&A records before payroll.

Recorded time should reflect the applicable timekeeping requirements.

TimeTrex ↗

T&D — Training and development

Learning & development · HR practice · Common HR usage — Structured learning and development activities supporting job and career needs.

In practice: A T&D plan combines instruction with guided practice.

The abbreviation overlaps with L&D in many organizations.

OPM ↗

TA — Talent acquisition

Recruiting & hiring · HR practice · Common HR usage — The work of attracting, assessing, selecting, and hiring people.

In practice: TA reviews the pipeline for hard-to-fill positions.

Often broader than filling individual job openings.

SHRM ↗

TA — Tuition assistance

Recruiting & hiring · HR practice · Common HR usage — Employer support for an employee's education costs.

In practice: An employee applies for TA before starting a course.

Eligibility and tax treatment depend on the program and applicable rules.

IRS ↗

TIN — Taxpayer identification number

Payroll & tax · Payroll term · U.S. specific — A category of numbers used to identify taxpayers for federal tax administration.

In practice: A vendor submits an applicable TIN on Form W-9.

TIN can refer to different identifier types.

IRS ↗

Title VII — Title VII of the Civil Rights Act of 1964

Employment law · Legal shorthand · U.S. specific — A federal employment discrimination law covering specified protected characteristics.

In practice: HR reviews a complaint under Title VII.

This legal shorthand identifies a portion of a larger statute.

EEOC ↗

TNA — Training needs analysis

Learning & development · HR practice · Common HR usage — A process for identifying gaps that training may help address.

In practice: L&D conducts a TNA before choosing a course.

Some performance gaps require process or resource changes instead.

OPM ↗

TNC — Tentative nonconfirmation

Immigration & work authorization · Legal or program term · U.S. specific — An E-Verify result indicating information has not yet matched government records; often called a mismatch.

In practice: An employer follows required steps after a TNC.

A TNC is not a final determination that a worker lacks authorization.

E-Verify ↗

TPA — Third-party administrator

Health & welfare benefits · Benefit term · U.S. specific — A service provider administering specified insurance or benefit-plan functions.

In practice: A TPA processes claims for a self-funded plan.

Using a TPA does not automatically remove plan sponsor responsibilities.

DOL ↗

TR — Total rewards

Compensation & rewards · HR practice · Common HR usage — The combination of pay, benefits, recognition, and other rewards connected to employment.

In practice: HR reviews the TR package during workforce planning.

Definitions can include different nonfinancial rewards.

IRS ↗

TRIR — Total recordable incident rate

Workplace safety · Safety term · Common HR usage — A rate expressing recordable injury and illness cases relative to hours worked under a stated method.

In practice: A safety report compares TRIR across reporting periods.

Consistent case definitions, hours, and populations are essential.

OSHA ↗

TSA — Tax-sheltered annuity

Retirement plans · Benefit term · U.S. specific — A common label associated with 403(b) arrangements.

In practice: A benefits guide refers to a TSA program.

The label does not mean every 403(b) investment is an annuity.

IRS ↗

TTF — Time to fill

Recruiting & hiring · HR practice · Common HR usage — Elapsed time to fill a position using a defined start and end point.

In practice: TA tracks TTF from requisition approval to accepted offer.

Agree on endpoints before comparing teams or vendors.

SHRM ↗

TTH — Time to hire

Recruiting & hiring · HR practice · Common HR usage — Elapsed time for a candidate to move through a defined hiring process.

In practice: A recruiter tracks TTH from application to accepted offer.

This metric is distinct from time to fill when starting points differ.

SHRM ↗

UI — Unemployment insurance

Payroll & tax · Payroll term · U.S. specific — A program providing benefits to eligible unemployed workers under applicable rules.

In practice: HR provides separation information requested by the UI agency.

A separation label does not alone determine benefit eligibility.

DOL ↗

ULP — Unfair labor practice

Employee & labor relations · HR practice · Common HR usage — Conduct prohibited under an applicable labor-relations statute.

In practice: A party files a ULP charge with the relevant agency.

A filed charge is an allegation, not a final finding.

NLRB ↗

USC — United States Code

Agencies & official references · Agency or reference · U.S. specific — The organized collection of general and permanent federal statutes.

In practice: A legal reference cites an employment provision in the USC.

A statute and its implementing regulations are distinct sources.

EEOC ↗

USCIS — U.S. Citizenship and Immigration Services

Agencies & official references · Agency or reference · U.S. specific — A federal agency administering immigration benefits and employment verification resources.

In practice: HR uses USCIS I-9 Central guidance.

USCIS is part of the Department of Homeland Security.

USCIS ↗

USERRA — Uniformed Services Employment and Reemployment Rights Act

Employment law · Law or regulation · U.S. specific — A federal law protecting specified employment and reemployment rights connected to uniformed service.

In practice: HR coordinates a service-related absence and return.

Service-related rights involve conditions beyond the leave label.

DOL ↗

VILT — Virtual instructor-led training

Learning & development · HR practice · Common HR usage — Live instructor-led learning delivered through an online environment.

In practice: Remote employees attend VILT together.

VILT differs from a self-paced recorded course.

OPM ↗

VMS — Vendor management system

Recruiting & hiring · HR practice · Common HR usage — Software that organizes suppliers, assignments, approvals, and related contingent-workforce records.

In practice: HR tracks a staffing assignment in the VMS.

A VMS does not itself decide legal worker classification.

TimeTrex ↗

VPDI — Voluntary plan disability insurance

Time, attendance & leave · HR practice · Common HR usage — Disability coverage provided through an approved voluntary plan in the California program.

In practice: A California employer reviews voluntary-plan requirements.

Payroll labels may shorten the name to VDI; California EDD calls the overall arrangement a Voluntary Plan.

California EDD ↗

W-2 — Wage and Tax Statement

Payroll & tax · Form designation · U.S. specific — The IRS form used to report employee wages and specified taxes.

In practice: An employee uses Form W-2 when preparing a tax return.

W-2 is a form designation, not an acronym.

IRS ↗

W-4 — Employee's Withholding Certificate

Payroll & tax · Form designation · U.S. specific — The IRS form employees use to provide federal income-tax withholding information.

In practice: A new employee completes Form W-4.

Form W-4 does not set every payroll tax or state withholding amount.

IRS ↗

W-9 — Request for Taxpayer Identification Number and Certification

Payroll & tax · Form designation · U.S. specific — The IRS form used to request a payee's taxpayer identification and certifications.

In practice: Accounts payable requests a W-9 from a vendor.

Receiving a W-9 does not decide worker classification.

IRS ↗

WARN — Worker Adjustment and Retraining Notification Act

Employment law · Law or regulation · U.S. specific — A federal law requiring advance notice for certain covered plant closings and mass layoffs.

In practice: HR assesses WARN obligations during a restructuring.

State notice laws may add different requirements.

DOL ↗

WBT — Web-based training

Learning & development · HR practice · Common HR usage — Training delivered through a web interface.

In practice: An employee completes a WBT module before using a new system.

Delivery may be self-paced or facilitated.

OPM ↗

WC — Workers' compensation

Workplace safety · Safety term · Common HR usage — A system providing specified benefits for covered work-related injuries or illnesses.

In practice: HR coordinates a WC claim with the responsible administrator.

Rules and coverage vary by jurisdiction and program.

OSHA ↗

WFH — Work from home

Time, attendance & leave · HR practice · Common HR usage — A work arrangement in which duties are performed from home.

In practice: A policy describes WFH scheduling expectations.

Work location can affect payroll and employment requirements.

OPM ↗

WFM — Workforce management

Time, attendance & leave · HR practice · Common HR usage — Processes and technology for aligning staffing, schedules, attendance, and labor needs.

In practice: WFM connects scheduled shifts with actual time worked.

Product scope differs between providers.

TimeTrex ↗

WFP — Workforce planning

Time, attendance & leave · HR practice · Common HR usage — Planning workforce numbers and capabilities against expected organizational needs.

In practice: HR develops a WFP scenario for a new service location.

Workforce planning includes assumptions that should be made explicit.

OPM ↗

WHCRA — Women's Health and Cancer Rights Act

Employment law · Law or regulation · U.S. specific — A federal law addressing specified benefits related to mastectomy coverage.

In practice: A plan administrator reviews WHCRA notices.

Review the plan and current requirements for the exact benefits.

DOL ↗

WHD — Wage and Hour Division

Agencies & official references · Agency or reference · U.S. specific — The DOL agency administering and enforcing specified wage and leave laws.

In practice: Payroll checks a WHD fact sheet.

State wage agencies can have separate requirements.

DOL ↗

xAPI — Experience API

Learning & development · HR practice · Common HR usage — A specification for recording learning experiences as structured statements.

In practice: A learning tool sends xAPI statements to a record store.

It differs from a course packaging standard such as SCORM.

ADL ↗

YTD — Year to date

Payroll & tax · Payroll term · U.S. specific — A running total from the beginning of a stated year through a reporting date.

In practice: A pay statement shows YTD taxable wages.

Confirm whether the report uses a calendar or other year.

IRS ↗

THE CONNECTIONS MATTER

Similar letters. Different jobs.

Make clearer decisions by understanding the distinctions behind familiar HR shorthand.

HRIS, HRMS & HCM

These labels overlap across vendors. HRIS usually emphasizes employee records; HRMS and HCM can describe broader processes. Evaluate the actual features and integrations.

FMLA, PTO & STD

FMLA addresses qualifying leave protections. PTO provides paid time away under a policy. STD may replace income under an insurance or benefit arrangement. They can overlap without being interchangeable.

HSA, FSA & HRA

An HSA is an eligible individual’s account. An FSA is an employer-established reimbursement arrangement. An HRA is employer-funded. Ownership, eligibility, funding, and unused-balance rules differ.

W-2 vs. 1099-NEC

W-2 reports employee wages and specified taxes. 1099-NEC reports certain nonemployee compensation. Choosing a form does not establish the worker’s legal classification.

Time to fill vs. time to hire

Time to fill measures the position-filling process; time to hire measures a candidate’s journey. Organizations use different starting and ending points, so define them before comparing.

Headcount vs. FTE

Headcount counts people in a defined population. Full-time equivalent converts working time into capacity. An internal planning FTE and an ACA calculation can use different rules.

Defined benefit vs. contribution

A defined benefit plan determines benefits through a plan formula. A defined contribution plan records contributions and investment results in individual accounts.

PIP vs. IDP

A performance improvement plan addresses performance expectations and gaps. An individual development plan supports skill and career growth. Their purposes and employment implications can differ.

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Disclaimer: The TimeTrex USA Human Resources Acronym Database is provided for general information and educational use only and does not constitute legal, tax, benefits, or employment advice. Definitions, examples, and search or decoding results may vary by employer, benefit plan, jurisdiction, and context. TimeTrex does not guarantee the accuracy, completeness, or currency of the information. Entries do not determine worker classification, leave entitlement, benefit eligibility, payroll treatment, or legal compliance. Verify the intended meaning against current laws, official guidance, plan documents, and applicable workplace policies, and consult a qualified professional before making employment or compensation decisions. References and external links do not imply endorsement by the organizations mentioned.

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Human Resources Acronym Database

Disclaimer: The content provided on this webpage is for informational purposes only and is not intended to be a substitute for professional advice. While we strive to ensure the accuracy and timeliness of the information presented here, the details may change over time or vary in different jurisdictions. Therefore, we do not guarantee the completeness, reliability, or absolute accuracy of this information. The information on this page should not be used as a basis for making legal, financial, or any other key decisions. We strongly advise consulting with a qualified professional or expert in the relevant field for specific advice, guidance, or services. By using this webpage, you acknowledge that the information is offered “as is” and that we are not liable for any errors, omissions, or inaccuracies in the content, nor for any actions taken based on the information provided. We shall not be held liable for any direct, indirect, incidental, consequential, or punitive damages arising out of your access to, use of, or reliance on any content on this page.

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