CFR›Title 48›Chapter 5›Part 529 ContainsSubpart 529.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 529—TAXES Subparts 529.4 Subpart 529.4—Contract Clauses Section 529.470 Authority40 U.S.C. 486(c).Source64 FR 37222, July 9, 1999, unless otherwise noted. Previous 528 Part 528—Bonds and Insurance Next 532 Part 532—Contract Financing