FAR and DFARS › FAR Part 51: Use of Government Sources by Contractors
FAR 51.000 Scope of part.
The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.
The text
This part prescribes policies and procedures for the use by contractors of Government supply sources and interagency motor pool vehicles and related services.
Rule changes for FAR Part 51
- Federal Acquisition Regulation: Revolutionary FAR Overhaul Parts 8, 12, 13, 15, 38, 44, and 51 ↗ · proposed 2026-09-18 · comments due 2026-10-19
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.