CFR›Title 48›Chapter 16›Part 1629 ContainsSubpart 1629.4CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 1629—TAXES Subparts 1629.4 Subpart 1629.4—Contract Clauses Section 1629.402 Authority5 U.S.C. 8913; 40 U.S.C. 486(c); 48 CFR 1.301.Source62 FR 47575, Sept. 10, 1997, unless otherwise noted. Previous 1624 Part 1624—Protection of Privacy and Freedom of Information Next 1631 Part 1631—Contract Cost Principles and Procedures