CFR›Title 48›Chapter 20›Part 2015 ContainsSubparts 2015.2–2015.6CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 2015—CONTRACTING BY NEGOTIATION Subparts 2015.2 Subpart 2015.2—Solicitation and Receipt of Proposals and Implementation Section 2015.209-70 2015.3 Subpart 2015.3—Source Selection Processes and Techniques Sections 2015.300–2015.305 2015.6 Subpart 2015.6—Unsolicited Proposals Sections 2015.606–2015.606-1 Authority42 U.S.C. 2201; 42 U.S.C. 5841; and 41 U.S.C. 418(b).Source64 FR 49332, Sept. 10, 1999, unless otherwise noted. Previous 2014 Part 2014—Sealed Bidding Next 2016 Part 2016—Types of Contracts