CFR›Title 48›Chapter 5›Part 516 ContainsSubparts 516.2–516.5CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 516—TYPES OF CONTRACTS Subparts 516.2 Subpart 516.2—Fixed Price Contracts Section 516.203-4 516.5 Subpart 516.5—Indefinite-Delivery Contracts Section 516.506 Authority40 U.S.C. 121(c).Source64 FR 37218, July 9, 1999, unless otherwise noted. Previous 515 Part 515—Contracting by Negotiation Next 517 Part 517—Special Contracting Methods