CFR›Title 48›Chapter 3›Part 315 ContainsSubparts 315.2–315.6CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 315—CONTRACTING BY NEGOTIATION Subparts 315.2 Subpart 315.2—Solicitation and Receipt of Proposals and Information Sections 315.204-5–315.208 315.3 Subpart 315.3—Source Selection Sections 315.303-70–315.305 315.4 Subpart 315.4—Contract Pricing Sections 315.404–315.404-2 315.6 Subpart 315.6—Unsolicited Proposals Sections 315.605–315.606-1 Authority5 U.S.C. 301; 40 U.S.C. 121(c)(2).Source80 FR 72151, Nov. 18, 2015, unless otherwise noted. Previous 314 Part 314—Sealed Bidding Next 316 Part 316—Types of Contracts