Regulations last checked for updates: Feb 11, 2026

Title 48 - Federal Acquisition Regulations System last revised: Jan 28, 2026
51.100 - 51.100 Scope of subpart.

This subpart prescribes policies and procedures for the use of Government supply sources (see 51.102(c)) by contractors. In this subpart, the terms contractors and contracts include subcontractors and subcontracts.

authority: 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113.
source: 48 FR 42476, Sept. 19, 1983, unless otherwise noted.
cite as: 48 CFR 51.100