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 ↗