Regulations last checked for updates: Jan 26, 2026

Title 48 - Federal Acquisition Regulations System last revised: Dec 02, 2025
All TitlesTitle 48Chapter 16Part 1643 - PART 1643—CONTRACT MODIFICATIONS
authority: 5 U.S.C. 8913; 40 U.S.C. 486(c); 48 CFR 1.301
source: 62 FR 47575, Sept. 10, 1997, unless otherwise noted.
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