SCA Compliance Glossary

25 essential Service Contract Act terms every government contractor needs to know — with plain-English definitions and links to official DOL sources. Written by Matt Corzine, who spent 13 years at GSA National working with SCA compliance daily.

McNamara-O'Hara Service Contract Act (SCA)
A federal law enacted in 1965 that establishes minimum wage and fringe benefit standards for service employees working on federal contracts exceeding $2,500.
DOL — Service Contract Act Overview
Wage Determination (WD)
A formal document issued by the Department of Labor (DOL) that specifies the minimum hourly wages and fringe benefits for various job classifications in a specific geographic area.
DOL — SCA Wage Determinations
Service Employee
Any person engaged in the performance of a covered contract other than individuals employed in a bona fide executive, administrative, or professional capacity.
29 CFR Part 4 Subpart C — Covered Employees
Health and Welfare (H&W)
A mandatory fringe benefit amount, typically set annually by the DOL, that must be provided in addition to the employee's base hourly wage. As of July 2025, the standard rate is $5.55/hour ($5.09 with EO 13706 paid sick leave).
DOL AAM 250 — 2025 H&W Rate Update
Fringe Benefits
Compensation provided to service employees in addition to monetary wages, which usually includes health and welfare, paid vacation, and holiday leave.
29 CFR 4.170 — Furnishing Fringe Benefits
Wage and Hour Division (WHD)
The specific unit within the Department of Labor responsible for administering and enforcing the SCA, including issuing wage determinations and conducting compliance investigations.
DOL — Wage and Hour Division
Conformance
The formal process used to establish a legally binding wage rate and job classification for positions that are necessary for contract performance but are not listed on the existing wage determination.
DOL — SCA Conformance Process
SF 1444
The Standard Form titled "Request for Authorization of Additional Classification and Rate," used by contractors to initiate the conformance process. Must be submitted within 30 days after an unlisted worker begins performance.
FAR 22.406-3 — Additional Classifications
Bona Fide Fringe Benefit
A benefit provided under a written, legally enforceable plan or program (such as health insurance or retirement plans) that meets specific DOL criteria to be credited against a contractor's fringe benefit obligations.
29 CFR 4.171 — Bona Fide Fringe Benefits
Cash-in-Lieu
A compliance method where a contractor pays the monetary equivalent of required fringe benefits directly to the employee as additional wages instead of providing benefits through a plan.
29 CFR 4.177 — Discharging Obligations by Equivalent Means
EAP Exemption
A status for employees working in "Executive, Administrative, or Professional" capacities who meet specific salary and duty tests, making them exempt from SCA coverage.
29 CFR Part 541 — EAP Exemptions
Locality
The defined geographic area (often a county or group of counties) used to determine the prevailing wage rates and fringe benefits applicable to a specific contract.
29 CFR 4.54 — Locality Determinations
Prevailing Wage
The minimum hourly rate specified in a wage determination for a particular job classification in a specific locality, based on local economic data gathered by the Bureau of Labor Statistics.
DOL — SCA Wage Determinations
Section 4(c)
A provision of the SCA requiring a successor contractor to pay no less than the wages and fringe benefits established in a predecessor contractor's collective bargaining agreement. This obligation is self-executing — it applies as a matter of law.
29 CFR 4.163 — Section 4(c)
Collective Bargaining Agreement (CBA)
A negotiated agreement between an employer and a labor union that can supersede standard prevailing wage determinations under Section 4(c) of the Act.
DOL Fact Sheet #85 — CBAs Under the SCA
Successor Contractor
A contractor who is awarded a federal contract that succeeds a previous contract for substantially the same services at the same location.
DOL Fact Sheet #85 — CBAs and Successor Contractors
Arm's-Length Negotiations
A requirement that a CBA must be the result of genuine, good-faith bargaining between a union and a predecessor contractor to be valid for SCA successorship purposes.
29 CFR 4.11 — Arm's Length Proceedings
Substantial Variance
A condition where the wage and benefit rates in a CBA are determined by the DOL to be significantly different from those prevailing for similar services in the same locality.
29 CFR 4.10 — Substantial Variance Proceedings
Directory of Occupations
A DOL publication containing standardized occupational titles and descriptions used to classify service employees for wage determination purposes.
DOL — SCA Directory of Occupations (5th Edition)
e98
An electronic portal used by government contracting officers to request a specific wage determination from the DOL when one is not readily available for the contract's locality and services.
SAM.gov — Wage Determinations
Flow-Down Requirements
The obligation of a prime contractor to include all applicable SCA clauses and wage determinations in their agreements with subcontractors.
FAR 52.222-41 — Service Contract Labor Standards
Joint and Several Liability
A legal principle where a prime contractor can be held fully responsible for back wages and benefits if their subcontractor fails to comply with SCA requirements.
29 CFR 4.114 — Subcontracts
Debarment
A severe penalty for SCA violations that bars a contractor from being awarded federal contracts for a period of three years. The WHD considers violation history, willfulness, and record falsification when seeking debarment.
29 CFR 4.188 — Debarment Proceedings
Price Adjustment Clause (FAR 52.222-43)
A contract clause that allows contractors to request an adjustment to their contract price to account for increased labor costs resulting from a new or revised wage determination. Recovery is limited to actual increases in wages, benefits, and associated taxes.
FAR 52.222-43 — Price Adjustment
Anniversary Date
The date an employee began work for a contractor (or its predecessor) at a specific facility, used to determine when they become vested for vacation benefits under the SCA.
DOL Fact Sheet #67b — Meeting SCA Requirements

Definitions sourced from the Department of Labor, Code of Federal Regulations (29 CFR Part 4), and the Federal Acquisition Regulation (FAR). Last updated April 2026.