CFR›Title 48›Chapter 4›Part 415 ContainsSubparts 415.2–415.6CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 415—CONTRACTING BY NEGOTIATION Subparts 415.2 Subpart 415.2—Solicitation and Receipt of Proposals and Information Section 415.204 415.3 Subpart 415.3—Source Selection Section 415.305 415.6 Subpart 415.6—Unsolicited Proposals Section 415.604 Authority5 U.S.C. 301 and 40 U.S.C. 486(c).Source89 FR 81015, Oct. 7, 2024, unless otherwise noted. Previous 414 Part 414—Sealed Bidding Next 416 Part 416—Types of Contracts