CFR›Title 48›Chapter 34›Part 3415 ContainsSubparts 3415.2–3415.6CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 3415—CONTRACTING BY NEGOTIATION Subparts 3415.2 Subpart 3415.2—Solicitation and Receipt of Proposals and Information Section 3415.209 3415.3 Subpart 3415.3—Source Selection Sections 3415.302–3415.302-70 3415.6 Subpart 3415.6—Unsolicited Proposals Sections 3415.605–3415.606 Authority5 U.S.C. 301 and 20 U.S.C. 1018a.Source88 FR 60542, Sept. 1, 2023, unless otherwise noted. Previous 3414 Part 3414—Sealed Bidding Next 3416 Part 3416—Types of Contracts