Full alphabetical reference · 256 meanings
4/10 — Four 10-hour workdays
Schedules & public-sector time · Schedule pattern · Common industry usage — A schedule notation describing four 10-hour workdays in a recurring week.
In practice: A 4/10 pattern totals 40 scheduled work hours before adjustments.
Daily-overtime rules, breaks, and applicable authorization must be checked.
OPM ↗
5/8 — Five 8-hour workdays
Schedules & public-sector time · Schedule pattern · Common industry usage — A schedule notation describing five 8-hour workdays in a recurring week.
In practice: Use 5/8 as a pattern label with actual shift times and breaks.
A pattern label is not a pay calculation.
OPM ↗
7(k) — FLSA section 7(k) work-period provision
Schedules & public-sector time · Rule shorthand · U.S. federal public agencies — A provision permitting specified work periods for qualifying public-agency fire-protection or law-enforcement employees.
In practice: Confirm the role, agency, and adopted work period before applying 7(k).
It is not a general exception for all shift workers.
U.S. DOL ↗
8/80 — Eight-and-eighty overtime system
US rules & agreements · Rule shorthand · U.S. federal — A special FLSA overtime framework available to qualifying hospitals and residential care establishments under specified conditions.
In practice: Verify eligibility and a prior agreement before applying 8/80.
It is not the standard rule for ordinary biweekly payroll. Daily and 14-day thresholds both matter.
U.S. DOL ↗
9/80 — Nine workdays totaling 80 hours
Schedules & public-sector time · Schedule pattern · Common industry usage — A two-week pattern commonly using eight 9-hour days and one 8-hour day.
In practice: Check the defined workweek boundary when implementing 9/80.
The pattern alone does not guarantee overtime-free operation.
OPM ↗
ABS — Absence
Attendance & pay codes · Local code · Employer-defined — A general absence code requiring additional context.
In practice: Determine whether ABS is approved, paid, or protected.
Do not infer misconduct or pay treatment from this code.
TimeTrex Help ↗
ABS% — Absence hours percentage
Attendance measures · Performance metric · Formula varies — Defined absence hours divided by the associated scheduled hours, multiplied by 100.
In practice: 8 absence hours out of 160 scheduled hours equals 5%.
State which absence types are included. Protected or approved leave must not automatically be treated as an attendance violation.
U.S. DOL ↗
ACA — Affordable Care Act
US rules & agreements · Law or regulation · U.S. federal — Federal health-care law with employer provisions using specific full-time and service-hour concepts.
In practice: Keep ACA eligibility calculations separate from scheduling FTE estimates.
IRS ↗
ACC — Accrued time
Accruals & balances · Local code · Employer-defined — A local abbreviation for time credited to a leave bank.
In practice: Review ACC alongside usage and adjustments.
A displayed accrual is not necessarily currently available to use.
TimeTrex Help ↗
ADA — Americans with Disabilities Act
US rules & agreements · Law or regulation · U.S. federal — Federal disability-rights law with employment accommodation and discrimination provisions.
In practice: Review a schedule-adjustment request through the accommodation process.
EEOC ↗
ADJ — Adjustment
Accruals & balances · Local code · Employer-defined — A manual or automatic correction to a time-account amount.
In practice: Record the reason for an ADJ and retain the prior value.
TimeTrex Help ↗
AKDT — Alaska Daylight Time
Time zones & formats · Format or unit · Time notation — Alaska daylight time at UTC−8.
In practice: Use AKDT only where daylight time applies for the date.
NIST ↗
AKST — Alaska Standard Time
Time zones & formats · Format or unit · Time notation — Alaska standard time at UTC−9.
In practice: Check the actual Alaska location before assigning a zone.
Some Alaska locations use a different time zone.
NIST ↗
AL — Annual leave
Leave & absence · Term or abbreviation · Leave administration — A leave category commonly used for vacation and other approved personal time.
In practice: An employee requests AL for planned time away.
The linked OPM rules apply to covered federal employment.
OPM ↗
ALE — Applicable large employer
US rules & agreements · Law or regulation · U.S. federal — An employer meeting the ACA employer-size criteria under IRS rules.
In practice: Apply the IRS methodology when counting full-time and equivalent employees.
IRS ↗
AM — Morning / ante meridiem
Attendance & pay codes · Local code · Employer-defined — Time before noon on a 12-hour clock; also used as a local morning-shift label.
In practice: Write 7:00 AM–3:00 PM instead of AM shift alone.
A shift code needs exact start and end times.
TimeTrex ↗
AM/PM — Ante meridiem / post meridiem
Time zones & formats · Format or unit · Data representation — Markers separating the two halves of a 12-hour clock.
In practice: Convert 1:00 PM to 13:00 in a 24-hour export.
Use noon or midnight plus a date when ambiguity could affect a record.
IETF ↗
API — Application programming interface
Systems & integrations · Technology · Device & integration — A defined interface through which software systems exchange data or functions.
In practice: Use an API to synchronize schedule changes with another approved system.
NIST ↗
AST — Atlantic Standard Time
Time zones & formats · Format or unit · Time notation — Atlantic standard time at UTC−4.
In practice: Puerto Rico uses AST throughout the year.
Check location; abbreviations alone can be ambiguous.
NIST ↗
ATD — Attendance
Timekeeping essentials · Local code · Employer-defined — Shorthand sometimes used for an attendance field or report.
In practice: Read the ATD column legend before classifying a record.
Employer-defined abbreviation; it does not specify pay status.
TimeTrex Help ↗
AVAIL — Available balance
Accruals & balances · Local code · Employer-defined — Time currently available under the account's policy and restrictions.
In practice: Check pending requests before relying on AVAIL.
Some systems subtract approved future leave; others do not.
TimeTrex Help ↗
AWOL — Absence without leave
Leave & absence · Term or abbreviation · Leave administration — An unauthorized absence status in federal personnel usage and some workplace policies.
In practice: Verify approval and notification records before assigning AWOL.
Do not equate a missing time punch with an unauthorized absence.
OPM ↗
AWS — Alternative workweek schedule
US rules & agreements · Law or regulation · California — A California-specific alternative-workweek concept under applicable wage-order and election rules.
In practice: Verify the applicable election and wage order before using an AWS arrangement.
Different from the federal alternative-work-schedule framework.
California DIR ↗
AWS — Alternative work schedule
Schedules & public-sector time · Schedule pattern · Federal scheduling context — The federal umbrella term for flexible and compressed work-schedule arrangements.
In practice: Review whether an agency's authorized AWS is flexible or compressed.
Federal terminology does not establish private-sector scheduling rights.
OPM ↗
BAL — Balance
Accruals & balances · Local code · Employer-defined — The remaining amount in a defined time or leave account.
In practice: Compare the BAL opening value, credits, and debits.
TimeTrex Help ↗
BER — Bereavement leave
Attendance & pay codes · Local code · Employer-defined — A local code for time away after a qualifying death.
In practice: Confirm the policy and any applicable leave requirements.
Pay, duration, and eligibility vary.
BLS ↗
BIPA — Biometric Information Privacy Act
Identity & privacy · Law or regulation · Illinois — An Illinois law addressing specified private-sector handling of biometric identifiers and information.
In practice: Review BIPA before deploying covered biometric timekeeping.
Other jurisdictions may impose separate requirements; a device setting is not legal compliance.
Illinois General Assembly ↗
BLE — Bluetooth Low Energy
Time clock technology · Technology · Device & integration — A Bluetooth radio technology designed for low-power communication.
In practice: A supported kiosk uses BLE to detect a nearby device.
Proximity signals do not independently establish hours worked.
NIST ↗
BRK — Break
Attendance & pay codes · Local code · Employer-defined — A local timecode identifying a break interval.
In practice: Inspect BRK entries when reviewing a timesheet.
Whether time is compensable depends on the facts and applicable rules.
U.S. DOL ↗
BYOD — Bring your own device
Systems & integrations · Technology · Device & integration — A policy permitting personal devices for approved work activities.
In practice: Check BYOD access, support, and privacy arrangements before a rollout.
NIST ↗
CB — Call back
Attendance & pay codes · Local code · Employer-defined — A local code for returning to duty after an initial release from work.
In practice: Record when a call-back assignment starts and ends.
Minimum call-back pay and premiums depend on applicable rules or agreements.
U.S. DOL ↗
CBA — Collective bargaining agreement
US rules & agreements · Law or regulation · U.S. federal — A negotiated agreement that may govern hours, bidding, seniority, leave, and premiums.
In practice: Check the CBA before awarding an overtime opportunity.
NLRB ↗
CC — Cost center
Contract & job time · Term or abbreviation · Project accounting — An accounting grouping used to track costs for a unit or activity.
In practice: Allocate approved labor hours to the correct CC.
CC has many meanings; confirm the export's field definition.
DCAA ↗
CDT — Central Daylight Time
Time zones & formats · Format or unit · Time notation — US Central daylight time at UTC−5.
In practice: Confirm the location observes daylight saving for the shift date.
NIST ↗
CF — Carry forward
Accruals & balances · Local code · Employer-defined — A local label for leave transferred into the next period.
In practice: Apply the documented CF cap at the policy-year boundary.
Carryover and payout are different events.
TimeTrex Help ↗
CFR — Code of Federal Regulations
US rules & agreements · Law or regulation · U.S. federal — The organized collection of federal agency regulations.
In practice: A payroll procedure cites 29 CFR.
Check the current regulation and the authority behind it.
U.S. DOL ↗
CH — Credit hours
Schedules & public-sector time · Schedule pattern · Federal scheduling context — Hours voluntarily worked within qualifying federal flexible-schedule rules for later use.
In practice: Confirm eligibility before recording CH in a federal FWS program.
Not a general substitute for overtime pay in private employment.
OPM ↗
ChST — Chamorro Standard Time
Time zones & formats · Format or unit · Time notation — Time at UTC+10 used in Guam and the Northern Mariana Islands.
In practice: Check the calendar date when coordinating Guam coverage with the mainland.
The lowercase h distinguishes this label from CST.
NIST ↗
CO — Carryover
Accruals & balances · Local code · Employer-defined — Leave balance permitted to remain available after a period ends.
In practice: Check whether CO hours have a separate expiration rule.
TimeTrex Help ↗
COA — Chart of accounts
Contract & job time · Term or abbreviation · Common industry usage — The organized list of ledger accounts.
In practice: A payroll earning code maps to an expense account in the COA.
Department and job dimensions may be tracked separately.
Yale University ↗
CPR — Certified payroll report
Contract & job time · Term or abbreviation · U.S. federal — A payroll report accompanied by a required compliance certification for covered work.
In practice: A covered contractor submits a weekly CPR.
Use the applicable project’s reporting requirements.
U.S. DOL ↗
CST — Central Standard Time
Time zones & formats · Format or unit · Time notation — US Central standard time at UTC−6.
In practice: Use CST with a date and US location to avoid international ambiguity.
The same letters are used for other time zones internationally.
NIST ↗
CSV — Comma-separated values
Systems & integrations · Technology · Device & integration — A plain-text tabular data format often used for schedule exports.
In practice: Export the filtered acronym reference as CSV for an onboarding sheet.
IETF ↗
CT — Compensatory time
Schedules & public-sector time · Term or abbreviation · Federal scheduling context — Time off credited under a legally permitted compensatory-time arrangement.
In practice: Check the governing rules before crediting CT for additional work.
Compensatory time arrangements have specific limits. Private-sector employers generally cannot replace required FLSA overtime pay with future time off. Federal and state/local public-sector rules differ.
U.S. DOL ↗
CT — Central Time
Time zones & formats · Format or unit · Time notation — A regional time label that follows the applicable standard or daylight time.
In practice: Include a location and date with a 7:00 AM CT start.
Also means compensatory time in some work records.
NIST ↗
CWS — Compressed work schedule
Schedules & public-sector time · Schedule pattern · Federal scheduling context — A schedule that completes the required work hours in fewer workdays under its governing rules.
In practice: A four-day pattern may compress a normal five-day requirement.
Compressed does not necessarily mean reduced total hours.
OPM ↗
CY — Calendar year
Payroll handoff · Local code · Employer / plan-defined — The January-through-December year.
In practice: Wage reporting is organized by CY.
An employer’s fiscal year may be different.
IRS ↗
D — Day shift
Attendance & pay codes · Local code · Employer-defined — A local roster code for a daytime assignment.
In practice: A site's legend defines D as 7:00 AM–3:30 PM.
Not universal; D can mean something else on another roster.
TimeTrex ↗
DBA — Davis-Bacon Act
Contract & job time · Law or regulation · U.S. federal — A federal prevailing-wage law for covered construction contracts.
In practice: A contractor checks DBA wage obligations.
Project coverage and the applicable wage determination matter.
U.S. DOL ↗
DBRA — Davis-Bacon and Related Acts
Contract & job time · Law or regulation · U.S. federal — The Davis-Bacon framework and related laws extending prevailing-wage requirements.
In practice: A covered construction project requires weekly certified payroll reporting.
Federal coverage does not replace separate state prevailing-wage analysis.
U.S. DOL ↗
DCAA — Defense Contract Audit Agency
Contract & job time · Organization · Federal contracting — The federal agency that audits certain government-contractor financial and accounting matters.
In practice: Review relevant DCAA guidance when documenting contract labor.
No generic timeclock feature establishes DCAA compliance.
DCAA ↗
DEC — Decimal hours
Time zones & formats · Format or unit · Data representation — An hours quantity expressed using decimal fractions.
In practice: 7.25 DEC hours means 7 hours and 15 minutes.
A decimal value of 7.30 is 7 hours 18 minutes, not 7 hours 30 minutes.
IETF ↗
DFML — Department of Family and Medical Leave
Agencies & resources · Term or abbreviation · State & local — The Massachusetts agency administering its PFML program.
In practice: An employer checks DFML contribution guidance.
This agency name is specific to Massachusetts.
Massachusetts ↗
DHCP — Dynamic Host Configuration Protocol
Time clock technology · Technology · Device & integration — A protocol that provides network configuration to clients.
In practice: Reserve a stable DHCP assignment for the kiosk if required.
NIST ↗
DIR — Department of Industrial Relations
Agencies & resources · Organization · U.S. resources — California's department overseeing specified labor and workplace programs.
In practice: Use California DIR guidance when researching state scheduling-related wage rules.
California DIR ↗
DLSE — Division of Labor Standards Enforcement
Agencies & resources · Organization · U.S. resources — California's labor-standards enforcement division, also known as the Labor Commissioner's Office.
In practice: Consult DLSE guidance for California overtime and reporting time pay.
California DIR ↗
DOL — Department of Labor
Agencies & resources · Organization · U.S. resources — The US federal department responsible for specified labor programs and enforcement.
In practice: Use DOL resources to research federal wage-and-hour terminology.
U.S. DOL ↗
DOS — Date of service
Accruals & balances · Local code · Employer-defined — A date used to associate work or a covered service with its record.
In practice: Match DOS in the visit file to the time record.
Do not confuse the work date with payroll's payment date.
TimeTrex Help ↗
DST — Daylight saving time
Time zones & formats · Format or unit · Time notation — A seasonal clock adjustment observed in some locations.
In practice: Check elapsed hours when a night shift crosses a DST transition.
The same local clock time can be skipped or occur twice.
NIST ↗
DT — Double time
Attendance & pay codes · Local code · Employer-defined — A pay category commonly describing twice a defined rate.
In practice: Check the governing rule before applying a DT code.
Not a universal federal entitlement; applicability and rate base vary.
California DIR ↗
E — Evening shift
Attendance & pay codes · Local code · Employer-defined — A local roster code for an evening assignment.
In practice: Confirm the E shift's start, end, and break arrangements.
Not a nationally standardized code.
TimeTrex ↗
EAP — Employee assistance program
Leave & absence · Term or abbreviation · Leave administration — An employer-sponsored support resource for employees.
In practice: Provide EAP information when appropriate without recording sensitive details on a roster.
TimeTrex ↗
EDD — Employment Development Department
Agencies & resources · Term or abbreviation · State & local — California’s agency administering specified payroll taxes and benefit programs.
In practice: An employer manages a California EDD payroll-tax account.
The abbreviation refers to the California agency in this entry.
California EDD ↗
EDT — Eastern Daylight Time
Time zones & formats · Format or unit · Time notation — Eastern daylight time at UTC−4.
In practice: Use EDT for applicable Eastern locations during daylight time.
NIST ↗
EE — Employee
Payroll handoff · Local code · Employer / plan-defined — A common label identifying the worker’s portion of a contribution or tax.
In practice: EE medical identifies the employee insurance deduction.
Confirm the employer’s code legend.
IRS ↗
EEOC — Equal Employment Opportunity Commission
Agencies & resources · Organization · U.S. resources — The federal agency enforcing specified employment anti-discrimination laws.
In practice: Check EEOC resources when reviewing an accommodation process.
EEOC ↗
EID — Employee identifier
Systems & integrations · Technology · Device & integration — A local identifier assigned to an employee record.
In practice: Map EID across timekeeping and payroll systems.
Confirm the employer's definition and preserve leading zeros.
NIST ↗
ELD — Electronic logging device
Specialized time reporting · Term or abbreviation · Transportation & safety — A device used to electronically record specified commercial-driver duty information.
In practice: Reconcile ELD duty records with dispatch plans.
FMCSA ↗
EO — Early out
Attendance & pay codes · Local code · Employer-defined — A local code for leaving before a scheduled end.
In practice: Check EO for approved leave or a schedule change.
TimeTrex Help ↗
ER — Employer
Payroll handoff · Local code · Employer / plan-defined — A common label identifying the employer’s portion of a cost or contribution.
In practice: ER retirement matching appears in employer-cost reporting.
Employer costs are not automatically deductions from employee net pay.
IRS ↗
ERP — Enterprise resource planning
Systems & integrations · Technology · Device & integration — A system coordinating core business processes and data.
In practice: Match ERP location and cost-center codes with scheduling records.
TimeTrex Help ↗
ESS — Employee self-service
Timekeeping essentials · Term or abbreviation · Common industry usage — Tools employees use to view information and submit requests.
In practice: An employee uses ESS to review a timesheet and submit a missing-punch correction.
TimeTrex ↗
EST — Eastern Standard Time
Time zones & formats · Format or unit · Time notation — Eastern standard time at UTC−5.
In practice: Use EST only when the intended instant is on standard time.
NIST ↗
ET — Eastern Time
Time zones & formats · Format or unit · Time notation — A regional time label that generally follows standard or daylight time for the date and location.
In practice: Publish 9:00 AM ET with the date and relevant city.
Do not assume ET always means UTC−5.
NIST ↗
ETL — Extract, transform, load
Systems & integrations · Technology · Device & integration — A process for moving and reshaping data between systems.
In practice: Reconcile record counts after an ETL job imports punches.
Transformations must preserve the original meaning and audit trail.
NIST ↗
EVV — Electronic visit verification
Specialized time reporting · Term or abbreviation · Medicaid service verification — Electronic records verifying specified information about covered in-home services.
In practice: Reconcile an EVV visit with the relevant service and time records.
EVV documentation and payroll time records serve different purposes.
Medicaid.gov ↗
EXC — Excused absence
Attendance & pay codes · Local code · Employer-defined — An employer-defined code for an absence treated as excused.
In practice: Check the approved EXC reason without exposing medical details.
TimeTrex Help ↗
EXDATE — Exception date
Systems & integrations · Technology · Device & integration — An iCalendar property identifying occurrences excluded from a recurrence set.
In practice: Remove a holiday occurrence using EXDATE where supported.
IETF ↗
FAR — False acceptance rate
Identity & privacy · Technology · Security terminology — A biometric-system measure concerning incorrect acceptance of an unauthorized attempt.
In practice: Review the FAR definition and test conditions in a device evaluation.
FAR can instead mean Federal Acquisition Regulation in contracting.
NIST ↗
FAR — Federal Acquisition Regulation
Contract & job time · Law or regulation · Federal contracting — The principal set of rules governing acquisition by U.S. executive agencies.
In practice: Identify contract clauses affecting labor documentation.
Distinguish FAR from false acceptance rate in biometric evaluations.
Acquisition.gov ↗
FH — Floating holiday
Attendance & pay codes · Local code · Employer-defined — A policy-based paid day available under specified conditions.
In practice: Check how FH is requested and deducted.
Eligibility, scheduling, and payout rules vary.
BLS ↗
FLI — Family leave insurance
Leave & absence · Term or abbreviation · State & local — A state insurance program for qualifying family leave benefits.
In practice: A New Jersey paystub includes an FLI deduction.
This entry uses New Jersey context; verify the applicable jurisdiction.
New Jersey DOL ↗
FLSA — Fair Labor Standards Act
US rules & agreements · Law or regulation · U.S. federal — Federal law addressing minimum wage, overtime, records, and youth employment.
In practice: Check FLSA coverage when reviewing time worked and overtime.
U.S. DOL ↗
FMLA — Family and Medical Leave Act
US rules & agreements · Law or regulation · U.S. federal — Federal law providing qualifying employees leave and related job protections.
In practice: Plan coverage around approved intermittent FMLA leave.
Coverage, eligibility, qualifying reason, and notice rules apply.
U.S. DOL ↗
FMR — False match rate
Identity & privacy · Technology · Security terminology — The proportion of non-matching biometric comparisons incorrectly classified as matches.
In practice: Compare FMR only under compatible evaluation methods.
NIST ↗
FNMR — False non-match rate
Identity & privacy · Technology · Security terminology — The proportion of matching biometric comparisons incorrectly classified as non-matches.
In practice: Review FNMR with the matching threshold and capture conditions.
NIST ↗
FRR — False rejection rate
Identity & privacy · Technology · Security terminology — A biometric-system measure concerning incorrect rejection of a legitimate attempt.
In practice: Provide a correction route when a legitimate punch is rejected.
NIST ↗
FT — Full time
Workforce & hours measures · Workforce measure · Common industry usage — An employment or statistical category based on the applicable definition.
In practice: Confirm the employer's FT threshold before using a staffing report.
Definitions differ among employer policies, benefit rules, and statistics.
BLS ↗
FTE — Full-time equivalent
Workforce & hours measures · Workforce measure · Common industry usage — A measure of workload or staffing capacity relative to a stated full-time hours basis.
In practice: A 240-hour weekly plan equals 6 FTE at a 40-hour basis.
Planning FTE is not headcount or the ACA employer-size calculation. State your basis.
BEA ↗
FTE — Full-time equivalent employee for ACA employer size
Workforce & hours measures · Workforce measure · ACA employer size — An ACA employer-size measure derived from non-full-time employees' monthly service hours.
In practice: Use IRS rules when testing applicable-large-employer status.
The ACA calculation uses specific monthly rules, not a generic weekly hours divisor.
IRS ↗
FWS — Flexible work schedule
Schedules & public-sector time · Schedule pattern · Federal scheduling context — A federal schedule arrangement with permitted flexibility around defined requirements.
In practice: An employee varies arrival time within the approved FWS rules.
FWS can also mean Federal Wage System in federal pay documents.
OPM ↗
FWW — Fair workweek
US rules & agreements · Law or regulation · State & local — Shorthand for predictable-scheduling protections in certain jurisdictions.
In practice: Check location, industry, and employer coverage before applying FWW requirements.
Local shorthand; not a single nationwide law or uniform code.
NYC DCWP ↗
FWW — Fluctuating workweek
US rules & agreements · Law or regulation · U.S. federal — A distinct overtime calculation method subject to specific legal conditions.
In practice: Confirm eligibility before using the FWW method for a salaried nonexempt employee.
Different from fair workweek scheduling laws; not a label for any variable schedule.
U.S. DOL ↗
FY — Fiscal year
Payroll handoff · Local code · Employer / plan-defined — An organization’s chosen financial reporting year.
In practice: Finance posts payroll costs to FY accounts.
Federal wage statements generally follow the calendar year.
U.S. DOL ↗
G1 — GEO fence violation
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for punching outside an allowed geofence.
In practice: Review location evidence and accuracy.
TimeTrex Help ↗
GL — General ledger
Contract & job time · Term or abbreviation · Common industry usage — The accounting record receiving summarized payroll transactions.
In practice: Payroll posts wages, taxes, and liabilities to the GL.
Reconcile the payroll register, cash, and liability accounts.
TimeTrex ↗
GMT — Greenwich Mean Time
Time zones & formats · Format or unit · Time notation — A zero-offset time label often encountered in scheduling interfaces.
In practice: Check whether a system uses GMT as a zero-offset label.
Use precise time-zone identifiers for recurring local shifts.
NIST ↗
GNSS — Global navigation satellite system
Time clock technology · Technology · Device & integration — The general category of satellite systems used for positioning and timing.
In practice: GNSS readings can support a mobile punch location.
GPS is one GNSS; location readings have limits and uncertainty.
GPS.gov ↗
GPS — Global Positioning System
Systems & integrations · Technology · Device & integration — Satellite-based positioning used by some mobile workforce tools.
In practice: Review a mobile time record's location under the employer's approved policy.
A location signal does not establish all compensable work time.
GPS.gov ↗
H&W — Health and welfare
Contract & job time · Term or abbreviation · U.S. federal — A fringe-benefit category often used in covered service-contract wage determinations.
In practice: A service contractor checks the required H&W benefit amount.
Required benefits and permissible credits depend on the applicable rules.
U.S. DOL ↗
HC — Headcount
Workforce & hours measures · Workforce measure · Common industry usage — The number of people in a defined workforce population.
In practice: A team has 12 people even if their combined hours equal fewer FTEs.
Define whether temporary staff and employees on leave are included.
BLS ↗
HCM — Human capital management
Systems & integrations · Technology · Device & integration — A term for coordinated people-management processes and systems.
In practice: Connect HCM employee data with scheduling and time records.
TimeTrex Help ↗
HH:MM — Hours and minutes
Time zones & formats · Format or unit · Data representation — A colon-separated representation of a duration or clock time.
In practice: A duration of 7:30 equals 7.5 decimal hours.
For a duration, minutes run from 00 to 59. For a clock time, dates and time zones also matter.
IETF ↗
HH:MM:SS — Hours, minutes, and seconds
Time zones & formats · Format or unit · Data representation — A representation that includes seconds as well as hours and minutes.
In practice: Retain 00:00:30 as thirty seconds, not thirty minutes.
IETF ↗
HHCS — Home health care services
Specialized time reporting · Term or abbreviation · Medicaid service verification — A service category used in Medicaid electronic visit verification materials.
In practice: Confirm the HHCS visit and the applicable reporting requirements.
Do not infer a particular state's billing requirements from the acronym alone.
Medicaid.gov ↗
HOL — Holiday pay
Payroll handoff · Term or abbreviation · Employer / plan-defined — A payroll code for pay associated with a holiday.
In practice: A timesheet separates HOL from hours worked.
Paid holiday hours do not automatically count as hours worked for federal overtime. Verify the employer’s code legend, units, and treatment; abbreviations are not universal.
U.S. DOL ↗
HOS — Hours of service
Specialized time reporting · Term or abbreviation · Transportation & safety — Rules governing duty, driving, rest, and related limits for covered transportation workers.
In practice: Check applicable HOS rules before assigning a driver.
These rules are distinct from wage-and-hour calculations.
FMCSA ↗
HR — Human resources
Systems & integrations · Term or abbreviation · Device & integration — The function managing people-related policies, processes, and records.
In practice: Coordinate scheduling exceptions with HR when appropriate.
TimeTrex Help ↗
HR — Hour
Time zones & formats · Format or unit · Data representation — A unit of time comprising 60 minutes.
In practice: The export records an interval as 8 HR.
HR also means human resources.
IETF ↗
HRIS — Human resources information system
Systems & integrations · Technology · Device & integration — A system used to maintain employee and HR records.
In practice: Sync active employees and organizational assignments into scheduling.
TimeTrex Help ↗
HRMS — Human resources management system
Systems & integrations · Technology · Device & integration — A system supporting a range of HR management processes.
In practice: Check which HRMS module owns employee availability.
TimeTrex Help ↗
HST — Hawaii Standard Time
Time zones & formats · Format or unit · Time notation — The Hawaii standard-time label at UTC−10.
In practice: Honolulu shift times keep the same UTC offset through the year.
Other places using similar zone names can have different observance rules.
NIST ↗
IAM — Identity and access management
Identity & privacy · Technology · Security terminology — Processes governing identities and their access permissions.
In practice: Remove obsolete timekeeper access through IAM controls.
NIST ↗
IANA — Internet Assigned Numbers Authority
Time zones & formats · Format or unit · Time notation — The organization maintaining the widely used time-zone database.
In practice: Use a zone such as America/New_York for recurring local schedules.
A named zone carries transition rules; a fixed UTC offset does not.
IANA ↗
ICS — iCalendar file extension
Systems & integrations · Technology · Device & integration — A common extension for files carrying iCalendar event data.
In practice: Check time-zone and update behavior when importing a shift calendar.
An imported file may be a snapshot rather than a live subscription.
IETF ↗
IdP — Identity provider
Identity & privacy · Technology · Security terminology — A service that authenticates users and provides identity assertions.
In practice: Configure the IdP used for employee self-service sign-in.
Capitalization and vendor terminology may vary.
NIST ↗
IN — Clock in
Attendance & pay codes · Local code · Employer-defined — A local label for the start of a recorded work interval.
In practice: Review the IN event against the original timestamp.
A punch alone does not establish all compensable time.
TimeTrex Help ↗
IP — Internet Protocol
Time clock technology · Technology · Device & integration — The network protocol used to address and route data packets.
In practice: Check the timeclock's assigned IP address.
An IP address is not reliable proof of an employee's physical location.
NIST ↗
ISO 8601 — International date and time representation standard
Time zones & formats · Format or unit · Time notation — A standard family for unambiguous date and time representations.
In practice: Use a dated timestamp with an offset when exchanging schedule records.
A plain date or local timestamp alone does not identify a unique instant.
IETF ↗
JE — Journal entry
Contract & job time · Term or abbreviation · Common industry usage — An accounting entry recording a transaction across ledger accounts.
In practice: Finance posts the payroll JE after reconciliation.
Debits and credits should balance and retain an audit trail.
Yale University ↗
JSON — JavaScript Object Notation
Systems & integrations · Technology · Device & integration — A text-based data format commonly used in APIs.
In practice: Confirm the units and timestamps in a JSON punch payload.
NIST ↗
JURY — Jury-duty leave
Attendance & pay codes · Local code · Employer-defined — A timecode for absence associated with jury service.
In practice: Keep the jury leave record separate from ordinary PTO.
Public-sector rules in the reference are not universal private-sector entitlements.
OPM ↗
KPI — Key performance indicator
Timekeeping essentials · Term or abbreviation · Common industry usage — A defined measure used to monitor an operational objective.
In practice: Track unfilled shifts alongside service quality.
Specify the formula and reporting period.
TimeTrex ↗
LAN — Local area network
Time clock technology · Technology · Device & integration — A network connecting devices within a limited area.
In practice: A timeclock sends queued punches through the LAN.
NIST ↗
LES — Leave and earnings statement
Payroll handoff · Term or abbreviation · U.S. federal — A federal or military statement showing pay, deductions, and leave information.
In practice: A service member reviews the monthly LES.
The layout and codes depend on the issuing payroll system.
DFAS ↗
LI — Late in
Attendance & pay codes · Local code · Employer-defined — A code for arrival after the applicable schedule or attendance tolerance.
In practice: Review LI against the assigned schedule.
Attendance tolerances do not decide whether worked time is paid.
TimeTrex Help ↗
LOA — Leave of absence
Leave & absence · Term or abbreviation · Leave administration — Time away from work under an employer policy or applicable law.
In practice: Track the leave dates and expected return without displaying medical details.
A LOA may be paid or unpaid and protected or unprotected.
OPM ↗
LTD — Long-term disability
Leave & absence · Term or abbreviation · Leave administration — A benefit arrangement for qualifying longer-duration disability.
In practice: Keep benefit administration separate from staffing availability decisions.
Plan terms and applicable law govern benefits and employment rights.
BLS ↗
LWOP — Leave without pay
Leave & absence · Term or abbreviation · Leave administration — An approved nonpay absence status, including a defined federal personnel usage.
In practice: A federal employee requests LWOP for an approved absence.
Federal rules differ from employer-specific unpaid leave policies.
OPM ↗
M1 — Missing in punch
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for an unpaired out punch.
In practice: Confirm the actual start time.
TimeTrex Help ↗
M2 — Missing out punch
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for an unpaired in punch.
In practice: Review the shift-length setting too.
Trigger timing depends on configuration.
TimeTrex Help ↗
M3 — Missing lunch in/out punch
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for an incomplete lunch pair.
In practice: Review the employee's lunch record.
TimeTrex Help ↗
M4 — Missing break in/out punch
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for an incomplete break pair.
In practice: Confirm the missing break event.
TimeTrex Help ↗
MDT — Mountain Daylight Time
Time zones & formats · Format or unit · Time notation — Mountain daylight time at UTC−6.
In practice: Check the date before converting an MDT meeting for another office.
NIST ↗
MEAL — Meal period
Attendance & pay codes · Local code · Employer-defined — A timesheet code for a meal interval.
In practice: Confirm the worker was relieved of duties before deducting a meal.
Automatic deductions must not erase compensable work; state rules may differ.
U.S. DOL ↗
MFA — Multi-factor authentication
Systems & integrations · Technology · Device & integration — Authentication using more than one distinct factor category.
In practice: Protect schedule-management access with MFA where available.
NIST ↗
MI — Missing in punch
Attendance & pay codes · Local code · Employer-defined — An employer's shorthand for an absent start punch.
In practice: Verify the actual start before correcting MI.
Local shorthand; TimeTrex documentation uses M1 for its corresponding exception.
TimeTrex Help ↗
MIL — Military leave
Attendance & pay codes · Local code · Employer-defined — A local code for time away connected with military service.
In practice: Review the applicable policy and USERRA requirements.
Pay and protection are separate questions.
OPM ↗
MIN — Minutes
Time zones & formats · Format or unit · Data representation — A unit of elapsed time equal to one-sixtieth of an hour.
In practice: Convert 45 MIN to 0.75 hours.
In some exports MIN is a minimum-value field; confirm context.
IETF ↗
MO — Missing out punch
Attendance & pay codes · Local code · Employer-defined — An employer's shorthand for an absent end punch.
In practice: Review MO with the employee before approving time.
Local shorthand; TimeTrex documentation uses M2 for its corresponding exception.
TimeTrex Help ↗
MOT — Mandatory overtime
Attendance & pay codes · Local code · Employer-defined — Overtime an employer directs an employee to work, subject to applicable restrictions.
In practice: Check industry, jurisdiction, and agreement limits before assigning MOT.
Not every employer may impose the same overtime requirements.
TimeTrex ↗
MOU — Memorandum of understanding
US rules & agreements · Law or regulation · U.S. federal — A written understanding that may clarify or supplement an arrangement.
In practice: Read a scheduling MOU with the agreement it supplements.
Its effect depends on its terms and governing law.
NLRB ↗
MP — Missing punch
Attendance & pay codes · Local code · Employer-defined — A flag for an incomplete time-punch pair.
In practice: Ask the employee to confirm the missing timestamp.
Record accurate corrections and retain an audit trail; do not guess hours.
TimeTrex Help ↗
MS — Milliseconds
Time zones & formats · Format or unit · Data representation — Thousandths of a second, often used in timestamps and event logs.
In practice: A value stored in MS must be divided by 1,000 for seconds.
Distinguish a duration from a timestamp measured since an epoch.
IETF ↗
MSS — Manager self-service
Timekeeping essentials · Term or abbreviation · Common industry usage — Tools managers use to review and approve workforce actions.
In practice: A manager uses MSS to review exceptions and approve accurate time records.
TimeTrex ↗
MST — Mountain Standard Time
Time zones & formats · Format or unit · Time notation — Mountain standard time at UTC−7.
In practice: An Arizona office may use MST while another Mountain location uses MDT.
NIST ↗
MT — Mountain Time
Time zones & formats · Format or unit · Time notation — A regional time label whose offset depends on location and daylight-saving observance.
In practice: Use a city-based zone when scheduling staff in Arizona and Colorado.
Many Arizona locations do not observe daylight saving; check the exact location.
NIST ↗
MTD — Month to date
Payroll handoff · Local code · Employer / plan-defined — A running total for the current reporting month.
In practice: Payroll checks MTD deductions against monthly invoices.
Payment dates can differ from the dates worked.
U.S. DOL ↗
N — Night shift
Attendance & pay codes · Local code · Employer-defined — A local roster code for an overnight assignment.
In practice: Pair N with dates so payroll allocates overnight hours correctly.
Night work does not by itself establish premium-pay entitlement.
TimeTrex ↗
NCNS — No call, no show
Attendance & pay codes · Local code · Employer-defined — An attendance label for missing work without the expected notification.
In practice: Investigate the circumstances before classifying an absence as NCNS.
Do not automatically treat protected or emergency absences as misconduct.
TimeTrex ↗
NFC — Near-field communication
Time clock technology · Technology · Device & integration — Short-range wireless communication commonly used by compatible cards and devices.
In practice: Check reader compatibility before using an NFC credential.
NIST ↗
NIST — National Institute of Standards and Technology
Agencies & resources · Organization · U.S. resources — A US standards and measurement agency with official time-information resources.
In practice: Use NIST time references when checking US zone abbreviations.
NIST ↗
NLRA — National Labor Relations Act
US rules & agreements · Law or regulation · U.S. federal — Federal law governing protected concerted activity and many private-sector labor relations.
In practice: Consider labor-relations obligations when changing represented employees' schedules.
NLRB ↗
NTP — Network Time Protocol
Time clock technology · Technology · Device & integration — A protocol for synchronizing computer clocks across networks.
In practice: Monitor NTP synchronization on a network timeclock.
Synchronization does not replace timezone configuration.
IETF ↗
OC — On call
Attendance & pay codes · Local code · Employer-defined — Availability to respond to work under specified conditions.
In practice: Document response requirements and any actual call-back work.
Pay treatment depends on the restrictions and applicable rules.
U.S. DOL ↗
OFF — Off duty / scheduled day off
Attendance & pay codes · Local code · Employer-defined — A local code showing that no work is assigned for the indicated period.
In practice: OFF distinguishes an unscheduled day from approved paid leave.
Confirm whether any on-call obligation remains.
TimeTrex ↗
OIDC — OpenID Connect
Identity & privacy · Technology · Security terminology — An identity layer built on OAuth 2.0 for authentication.
In practice: Confirm OIDC settings for a supported sign-in integration.
NIST ↗
OJT — On-the-job training
Timekeeping essentials · Term or abbreviation · Common industry usage — Learning duties while working with supervision or guidance.
In practice: Schedule a trainer and trainee on the same shift.
Training time may be compensable; assess the circumstances.
TimeTrex ↗
OOO — Out of office
Leave & absence · Term or abbreviation · Leave administration — An availability message indicating someone is away from their usual office or communication channel.
In practice: Use OOO with a return date and contact arrangement.
OOO does not necessarily mean leave or that no work is being performed.
TimeTrex ↗
OPM — Office of Personnel Management
Agencies & resources · Organization · U.S. resources — The federal agency providing civilian federal workforce policy and guidance.
In practice: Consult OPM for federal AWS and leave terminology.
OPM ↗
OT — Overtime
Attendance & pay codes · Term or abbreviation · Applicable wage rules — Hours or compensation treated as overtime under applicable rules.
In practice: Check actual weekly hours before finalizing an additional shift.
Scheduled hours and payable overtime are not always the same.
U.S. DOL ↗
OT% — Overtime hours percentage
Attendance measures · Performance metric · Formula varies — Overtime hours divided by total worked hours, multiplied by 100.
In practice: Eight overtime hours out of 100 worked hours gives 8%.
This is a planning ratio, not an overtime pay calculation.
U.S. DOL ↗
OUT — Clock out
Attendance & pay codes · Local code · Employer-defined — A local label for the end of a recorded work interval.
In practice: Pair the OUT event with its matching IN event.
TimeTrex Help ↗
PAD — Presentation attack detection
Identity & privacy · Technology · Security terminology — Techniques used to detect attempts to fool a biometric capture system.
In practice: Assess PAD alongside accessibility and fallback punching options.
A PAD result is not proof of worked time or legal compliance.
NIST ↗
PBJ — Payroll-Based Journal
Specialized time reporting · Term or abbreviation · Healthcare reporting — CMS's staffing data submission system for covered nursing-home reporting.
In practice: Reconcile staffing records before preparing PBJ submissions.
Reporting instructions can change; consult the current manual.
CMS ↗
PCS — Personal care services
Specialized time reporting · Term or abbreviation · Medicaid service verification — A Medicaid service category that may carry electronic visit verification requirements.
In practice: Check the state program's EVV rules for the PCS service.
Medicaid.gov ↗
PDT — Pacific Daylight Time
Time zones & formats · Format or unit · Time notation — US Pacific daylight time at UTC−7.
In practice: Confirm a summer Pacific shift is labeled PDT where applicable.
NIST ↗
PFL — Paid family leave
Leave & absence · Term or abbreviation · Leave administration — Wage-replacement or paid-leave arrangements for qualifying family reasons.
In practice: Coordinate a PFL claim with the employee's approved absence.
Pay benefits and job-protected leave may come from different programs.
U.S. DOL ↗
PFML — Paid family and medical leave
Leave & absence · Term or abbreviation · Leave administration — A program or benefit covering specified family and medical absences.
In practice: Check the relevant state program before coding PFML.
Eligibility, funding, job protection, and allowed reasons vary by jurisdiction.
U.S. DOL ↗
PII — Personally identifiable information
Systems & integrations · Technology · Device & integration — Information that identifies or can be linked to an individual under the relevant definition.
In practice: Avoid including sensitive leave details on a shared roster.
NIST ↗
PIN — Personal identification number
Time clock technology · Technology · Device & integration — A numeric secret used in an identification or authentication process.
In practice: An employee enters a PIN at a shared kiosk.
Keep personal credentials private; a PIN is not a payroll employee number.
NIST ↗
PM — Afternoon or evening / post meridiem
Attendance & pay codes · Local code · Employer-defined — Time from noon onward on a 12-hour clock; sometimes a local shift label.
In practice: Specify whether PM means an afternoon or an overnight assignment.
Use explicit dates when a shift crosses midnight.
TimeTrex ↗
PoE — Power over Ethernet
Time clock technology · Technology · Device & integration — A method of supplying electrical power over compatible Ethernet cabling.
In practice: Check the PoE standard and power budget for a timeclock.
Hardware compatibility must be verified.
NIST ↗
PP — Pay period
Payroll handoff · Local code · Employer / plan-defined — The span of time covered by a payroll cycle.
In practice: A timecard is approved for the PP ending Friday.
The pay date can fall after the pay period ends.
U.S. DOL ↗
PPE — Pay period ending
Payroll handoff · Local code · Employer / plan-defined — A label identifying the final date in a pay period.
In practice: A report is grouped by PPE date.
In other contexts PPE means personal protective equipment.
U.S. DOL ↗
PSL — Paid sick leave
Leave & absence · Term or abbreviation · Leave administration — Paid leave for reasons allowed by the applicable law or policy.
In practice: Check local PSL protections when handling an absence.
There is no single PSL rule that covers every US workplace.
U.S. DOL ↗
PST — Pacific Standard Time
Time zones & formats · Format or unit · Time notation — US Pacific standard time at UTC−8.
In practice: Use PST for an instant on Pacific standard time.
NIST ↗
PT — Part time
Workforce & hours measures · Workforce measure · Common industry usage — An employment or statistical category for work below the relevant full-time basis.
In practice: Build a PT employee's roster within agreed availability.
Do not confuse PT with Pacific Time or physical therapist.
BLS ↗
PT — Pacific Time
Time zones & formats · Format or unit · Time notation — A regional label following Pacific standard or daylight time as applicable.
In practice: Use a dated 8:00 AM PT start for a Pacific location.
Also means part time or physical therapist.
NIST ↗
PTE — Part-time employee
Workforce & hours measures · Workforce measure · Common industry usage — An employee classified as part time for a specified purpose.
In practice: Include PTE hours when estimating total coverage.
Classification depends on the relevant policy or rule.
BLS ↗
PTO — Paid time off
Leave & absence · Term or abbreviation · Leave administration — An employer-provided category or bank of paid absence.
In practice: Check approved PTO before assigning the employee to a shift.
PTO policies vary; paid leave and legal job protection are separate questions.
BLS ↗
PUMP — Providing Urgent Maternal Protections for Nursing Mothers
US rules & agreements · Law or regulation · U.S. federal — The expanded federal framework for eligible workers' pumping break and space protections.
In practice: Plan coverage for pumping breaks without replacing an individual rights assessment.
Compensability depends on the circumstances and applicable rules.
U.S. DOL ↗
PWFA — Pregnant Workers Fairness Act
US rules & agreements · Law or regulation · U.S. federal — Federal law addressing reasonable accommodations for known pregnancy-related limitations.
In practice: Consider a qualifying request for additional breaks or a changed start time.
Check current EEOC guidance and applicable legal developments.
EEOC ↗
QR — Quick response code
Time clock technology · Technology · Device & integration — A two-dimensional code that can encode text or a link.
In practice: A kiosk scans a QR code linked to a timekeeping workflow.
Review what the code actually contains or opens.
NIST ↗
QTD — Quarter to date
Payroll handoff · Local code · Employer / plan-defined — A running total for the current reporting quarter.
In practice: A payroll register summarizes QTD taxes.
Check whether the report uses calendar or fiscal quarters.
U.S. DOL ↗
RA — Reasonable accommodation
Leave & absence · Term or abbreviation · Leave administration — An adjustment evaluated under the applicable accommodation framework.
In practice: A modified start time may be considered as an RA.
Applicability is individualized; a scheduling code cannot determine entitlement.
EEOC ↗
RBAC — Role-based access control
Systems & integrations · Technology · Device & integration — Assigning system permissions through defined roles.
In practice: Give supervisors access only to the teams they manage.
NIST ↗
RDO — Regular day off
Attendance & pay codes · Local code · Employer-defined — A scheduled nonwork day in a recurring work pattern.
In practice: The roster shows an RDO after the employee's work block.
Can also mean rostered day off; some employers use the same code for a requested day off.
TimeTrex ↗
RDO — Requested day off
Attendance & pay codes · Local code · Employer-defined — A local code for a requested nonwork day.
In practice: Check approval status before treating an RDO request as unavailable time.
Distinct from a regular day off; verify the local legend.
TimeTrex ↗
REG — Regular hours
Attendance & pay codes · Local code · Employer-defined — A payroll or roster label for hours assigned to a regular category.
In practice: Review REG against actual worked hours and overtime rules.
A pay-code label does not determine legal pay treatment. Verify the employer’s code legend, units, and treatment; abbreviations are not universal.
U.S. DOL ↗
RETRO — Retroactive pay
Payroll handoff · Local code · Employer / plan-defined — Pay adjusting an earlier period’s earnings.
In practice: A later payroll includes a retroactive wage-rate change.
The adjustment can also require overtime or tax corrections.
University of Pittsburgh ↗
RFID — Radio-frequency identification
Time clock technology · Technology · Device & integration — Technology that reads identifying information from compatible radio tags.
In practice: A timeclock reads a badge using RFID.
Badge possession alone does not prove who performed the work.
NIST ↗
RODS — Record of duty status
Specialized time reporting · Term or abbreviation · Transportation & safety — A record of a covered driver's duty-status changes.
In practice: Review RODS when evaluating available driving time.
FMCSA ↗
RRP — Regular rate of pay
US rules & agreements · Law or regulation · U.S. federal — The rate basis used for overtime calculations under applicable wage rules.
In practice: Account for relevant compensation when determining RRP.
Not necessarily the employee's base hourly wage.
U.S. DOL ↗
RRULE — Recurrence rule
Systems & integrations · Technology · Device & integration — An iCalendar property describing a recurring event pattern.
In practice: Review RRULE and exceptions before relying on a recurring shift event.
IETF ↗
RTA — Real-time adherence
Attendance measures · Term or abbreviation · Contact centers — Comparing current agent activity with the scheduled activity.
In practice: Review RTA exceptions before changing intraday coverage.
NiCE ↗
RTO — Return to office
Timekeeping essentials · Term or abbreviation · Common industry usage — Resuming work at an employer's office under an applicable arrangement.
In practice: Coordinate RTO days with desk and team coverage.
Also used locally for requested time off.
TimeTrex ↗
RTO — Requested time off
Timekeeping essentials · Term or abbreviation · Common industry usage — An employer-specific label for a request to be absent.
In practice: RTO remains pending until the request is approved.
Local usage; also means return to office. A request is not approval.
TimeTrex ↗
RTW — Return to work
Leave & absence · Term or abbreviation · Leave administration — Resuming work after an absence, sometimes with restrictions or accommodations.
In practice: Confirm approved duties and hours before rostering an RTW employee.
RTW may also mean right to work in labor-law discussions.
OPM ↗
S4 — In late
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag tied to scheduled arrival and configured tolerance.
In practice: Review the schedule and original punch.
TimeTrex Help ↗
S5 — Out early
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag tied to an early scheduled departure.
In practice: Check for an approved change.
TimeTrex Help ↗
SA — Schedule adherence
Attendance measures · Term or abbreviation · Contact centers — A local label for how closely actual activities match scheduled activities.
In practice: Compare activity-level timing using the platform's adherence rules.
Metric shorthand and treatment of exceptions vary by platform.
NiCE ↗
SaaS — Software as a service
Systems & integrations · Technology · Device & integration — Cloud software delivered for use through a provider-managed service.
In practice: Check access and data-export arrangements for scheduling SaaS.
NIST ↗
SAML — Security Assertion Markup Language
Identity & privacy · Technology · Security terminology — An XML-based standard used to exchange authentication and authorization information.
In practice: An SSO integration uses SAML assertions.
NIST ↗
SCA — Service Contract Act
Contract & job time · Law or regulation · U.S. federal — The federal law setting wage and benefit standards for covered service contracts.
In practice: A contractor checks the SCA wage determination.
Also called the McNamara-O’Hara Service Contract Act.
U.S. DOL ↗
SCLS — Service Contract Labor Standards
Contract & job time · Law or regulation · U.S. federal — The procurement terminology for Service Contract Act requirements.
In practice: A federal service contract references SCLS clauses.
Review the contract, wage determination, and applicable labor rules.
U.S. DOL ↗
SDI — State disability insurance
Leave & absence · Term or abbreviation · State & local — A state-administered disability benefit program or payroll contribution label.
In practice: A California paystub includes an SDI withholding line.
SDI has jurisdiction-specific meaning; do not apply California rules nationally.
California EDD ↗
SEC — Seconds
Time zones & formats · Format or unit · Data representation — A unit equal to one-sixtieth of a minute.
In practice: Convert 90 SEC to 1 minute 30 seconds.
SEC has other meanings outside time measurement.
IETF ↗
SFTP — SSH File Transfer Protocol
Identity & privacy · Technology · Security terminology — A file-transfer protocol operating over SSH.
In practice: Transfer an approved payroll export over SFTP.
SFTP and FTP over TLS are different protocols.
NIST ↗
SHFT — Shift differential
Payroll handoff · Local code · Employer / plan-defined — Extra earnings associated with a specified shift.
In practice: An evening-shift paystub has a SHFT line.
The code and eligibility depend on employer policy or agreement. Verify the employer’s code legend, units, and treatment; abbreviations are not universal.
U.S. DOL ↗
SICK — Sick leave
Payroll handoff · Term or abbreviation · Employer / plan-defined — A leave or pay code for qualifying sickness-related time away.
In practice: An employee records eligible SICK hours.
Employer policy and jurisdiction determine allowed uses. Verify the employer’s code legend, units, and treatment; abbreviations are not universal.
OPM ↗
SL — Sick leave
Leave & absence · Term or abbreviation · Leave administration — A leave category for qualifying health or family-related reasons.
In practice: Approved SL removes an employee from the available staffing pool.
SL also means service level in contact centers. Entitlement and allowed uses vary.
OPM ↗
SMS — Short message service
Systems & integrations · Technology · Device & integration — A text-message service sometimes used for schedule notifications.
In practice: Confirm how employees acknowledge an SMS shift update.
A sent message does not prove it was read or that consent requirements were met.
NIST ↗
SOP — Standard operating procedure
Timekeeping essentials · Term or abbreviation · Common industry usage — Documented instructions for a repeatable workplace process.
In practice: Follow the SOP for publishing and changing weekly schedules.
A procedure does not override applicable law or an agreement.
TimeTrex ↗
SSO — Single sign-on
Systems & integrations · Technology · Device & integration — An authentication arrangement enabling access to multiple applications through a shared sign-in process.
In practice: Use SSO to access the approved scheduling application.
NIST ↗
SST — Samoa Standard Time
Time zones & formats · Format or unit · Time notation — Time at UTC−11 used in American Samoa.
In practice: Keep American Samoa separate from the independent nation of Samoa.
Location is essential; the two jurisdictions have very different offsets.
NIST ↗
STD — Short-term disability
Leave & absence · Term or abbreviation · Leave administration — A benefit arrangement providing income replacement for eligible short-term disability.
In practice: Coordinate STD benefits with approved leave and work restrictions.
A benefit award alone does not establish the leave entitlement.
BLS ↗
T&A — Time and attendance
Timekeeping essentials · Term or abbreviation · Common industry usage — Recording when employees work and when they are absent.
In practice: Review original punches, paid absences, and corrections before approving a timesheet.
Actual time worked can differ from the published schedule.
TimeTrex ↗
TA — Time and attendance
Timekeeping essentials · Term or abbreviation · Common industry usage — A compact label for the timekeeping and absence function.
In practice: An integration calls its employee-time feed TA.
TA has other meanings outside this timekeeping context.
TimeTrex Help ↗
TDI — Temporary disability insurance
Leave & absence · Term or abbreviation · State & local — A state benefit or contribution category for qualifying nonwork disability.
In practice: A New Jersey employer coordinates TDI coverage.
Terms and contribution rules differ among states.
New Jersey DOL ↗
TEMP — Temporary employee
Workforce & hours measures · Workforce measure · Common industry usage — A locally used label for an employee engaged for a limited period.
In practice: Check a TEMP assignment's end date before publishing future shifts.
A temporary label does not determine legal employment status.
BLS ↗
TK — Timekeeping
Timekeeping essentials · Term or abbreviation · Common industry usage — Capturing and reviewing work-time and absence records.
In practice: Reconcile TK records before the pay-period cutoff.
TK is common shorthand, not a statutory record format.
TimeTrex Help ↗
TLM — Time and labor management
Timekeeping essentials · Term or abbreviation · Common industry usage — Processes and software linking time capture to labor allocation, approvals, and pay rules.
In practice: Map approved TLM hours to payroll earning codes.
TimeTrex Help ↗
TLS — Transport Layer Security
Identity & privacy · Technology · Security terminology — A protocol used to protect data in transit.
In practice: Use supported TLS connections for time data transfers.
NIST ↗
TMS — Time management system
Timekeeping essentials · Term or abbreviation · Common industry usage — Software used to organize and record time-related activity.
In practice: Confirm which TMS owns the approved timesheet.
TMS can mean transportation management system in logistics.
TimeTrex Help ↗
TOD — Tour of duty
Schedules & public-sector time · Schedule pattern · Federal scheduling context — The scheduled hours and days an employee is expected to work.
In practice: Confirm the approved TOD before processing a schedule change.
Meaning and administration depend on employment context.
OPM ↗
TOIL — Time off in lieu
Payroll handoff · Term or abbreviation · Employer / plan-defined — Time off used in place of specified pay under an applicable arrangement.
In practice: A policy refers to TOIL for extra work.
Compensatory time arrangements have specific limits. Private-sector employers generally cannot replace required FLSA overtime pay with future time off. Federal and state/local public-sector rules differ.
U.S. DOL ↗
TOR — Time-off request
Timekeeping essentials · Term or abbreviation · Common industry usage — A request to be away from scheduled work.
In practice: Review the TOR status before filling the open shift.
Workflow abbreviation; confirm the organization's terminology.
TimeTrex ↗
TRN — Training
Attendance & pay codes · Local code · Employer-defined — A local earnings or activity code for training time.
In practice: Allocate a paid training session to TRN.
Do not assume all training is unpaid.
U.S. DOL ↗
TRVL — Travel time
Attendance & pay codes · Local code · Employer-defined — A local code for travel-related time entries.
In practice: Separate ordinary commuting from travel between work sites.
Compensability depends on the travel circumstances and applicable rules.
U.S. DOL ↗
TZID — Time zone identifier
Systems & integrations · Technology · Device & integration — An iCalendar property parameter or identifier used to associate local times with a zone.
In practice: Check TZID when a recurring shift appears at the wrong local hour.
IETF ↗
UID — Unique identifier
Systems & integrations · Technology · Device & integration — An identifier used to distinguish an event or record within a system.
In practice: Preserve the event UID when updating a calendar entry.
IETF ↗
UNS — Unscheduled work
Attendance & pay codes · Local code · Employer-defined — A code for time recorded outside an assigned schedule.
In practice: Review why UNS time occurred and record the actual work.
Lack of approval does not by itself make worked time unpaid.
TimeTrex Help ↗
UNX — Unexcused absence
Attendance & pay codes · Local code · Employer-defined — A preliminary or final local absence classification under an employer policy.
In practice: Review protected-leave and accommodation issues before finalizing UNX.
TimeTrex Help ↗
UPS — Uninterruptible power supply
Time clock technology · Technology · Device & integration — Equipment that temporarily supports power during interruptions.
In practice: Use a UPS to reduce lost kiosk availability during brief outages.
NIST ↗
UPT — Unpaid time
Attendance & pay codes · Local code · Employer-defined — A local attendance or time-bank label for unpaid absence.
In practice: Read the UPT policy before interpreting a balance.
Employer-specific; eligibility, deductions, and protections vary.
TimeTrex ↗
USED — Used leave
Accruals & balances · Local code · Employer-defined — A code for leave charged against a bank during a stated period.
In practice: Confirm whether USED covers the pay period or the year.
TimeTrex Help ↗
USERRA — Uniformed Services Employment and Reemployment Rights Act
US rules & agreements · Law or regulation · U.S. federal — Federal protections related to uniformed service and civilian employment.
In practice: Coordinate military-service absences and return-to-work arrangements.
U.S. DOL ↗
UTC — Coordinated Universal Time
Time zones & formats · Format or unit · Time notation — A global time reference used to align timestamps across locations.
In practice: Store an instant with its local zone and corresponding UTC time.
UTC does not switch for daylight saving time.
NIST ↗
UTO — Unpaid time off
Attendance & pay codes · Local code · Employer-defined — Approved or categorized time away without pay under local policy.
In practice: Check whether a UTO request overlaps protected leave.
A payroll category does not determine job protection.
TimeTrex ↗
UUID — Universally unique identifier
Systems & integrations · Technology · Device & integration — An identifier designed to be unique across systems without central assignment.
In practice: Use a UUID to identify a particular punch event.
An event ID is distinct from an employee ID.
NIST ↗
V1 — Timesheet not verified
TimeTrex exception codes · Product code · TimeTrex documentation — A TimeTrex flag for a timesheet awaiting required verification.
In practice: Follow the timesheet approval process.
Configured windows and grace periods affect triggering.
TimeTrex Help ↗
VAC — Vacation
Payroll handoff · Term or abbreviation · Employer / plan-defined — A leave or earnings code for vacation time.
In practice: A timesheet records VAC hours.
Payment and payout depend on policy and applicable law. Verify the employer’s code legend, units, and treatment; abbreviations are not universal.
OPM ↗
VAR — Hours variance
Attendance measures · Performance metric · Formula varies — The difference between actual and planned hours for a defined scope.
In practice: 40.5 actual hours minus 40 planned hours equals +0.5 hours.
A variance is not automatically overtime or a performance problem.
U.S. DOL ↗
VOT — Voluntary overtime
Attendance & pay codes · Local code · Employer-defined — Extra work offered for employees to accept voluntarily.
In practice: Offer VOT to qualified employees after checking limits and rest.
Voluntary acceptance does not remove pay or safety obligations.
TimeTrex ↗
VTO — Voluntary time off
Attendance & pay codes · Local code · Employer-defined — An employer's offer to reduce scheduled work by agreement.
In practice: When demand falls, invite eligible employees to accept VTO.
May be unpaid; also means volunteer time off. Local rules still apply.
TimeTrex ↗
VTO — Volunteer time off
Attendance & pay codes · Local code · Employer-defined — Time away for approved volunteer activities under an employer program.
In practice: An employee requests VTO for a community-service event.
Confirm pay status and eligibility; different from voluntary time off.
TimeTrex ↗
WBS — Work breakdown structure
Contract & job time · Term or abbreviation · Project accounting — A hierarchy that breaks project work into defined elements.
In practice: Charge labor to the correct WBS element.
DCAA ↗
WD — Wage determination
Contract & job time · Term or abbreviation · U.S. federal — A published schedule of applicable wage and benefit requirements for covered contracts.
In practice: A contractor selects the correct WD for covered work.
Job classification, location, and contract requirements matter.
U.S. DOL ↗
WFH — Work from home
Timekeeping essentials · Term or abbreviation · Common industry usage — A work-location arrangement where duties are performed at home.
In practice: Mark WFH separately from leave or unavailability.
Remote work is work, not time off.
TimeTrex ↗
WFM — Workforce management
Timekeeping essentials · Term or abbreviation · Common industry usage — Coordinating staffing, schedules, time records, and related workforce processes.
In practice: Use WFM to connect schedules, time capture, and approved payroll hours.
TimeTrex ↗
WH-347 — Payroll certification form
Contract & job time · Form or publication · U.S. federal — The DOL form available for covered federal construction payroll reporting.
In practice: A contractor prepares a certified payroll submission.
Using the form is optional; covered reporting requirements still apply.
U.S. DOL ↗
WHD — Wage and Hour Division
Agencies & resources · Organization · U.S. resources — The DOL division administering and enforcing specified wage-and-hour and leave laws.
In practice: Consult WHD guidance for hours-worked and FMLA questions.
U.S. DOL ↗
WO — Work order
Contract & job time · Term or abbreviation · Project accounting — A record authorizing or identifying a defined piece of work.
In practice: Record time against the correct WO.
The numbering and approval conventions are organization-specific.
DCAA ↗
XML — Extensible Markup Language
Systems & integrations · Technology · Device & integration — A markup language used to represent structured data.
In practice: Validate an XML time export against the recipient's specification.
NIST ↗
YTD — Year to date
Payroll handoff · Local code · Employer / plan-defined — A running total from the beginning of the reporting year through the stated pay date.
In practice: Compare current-period wages with YTD wages.
The reporting year and pay-date basis should be confirmed.
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