US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 18 — NATIONAL AERONAUTICS AND SPACE ADMINISTRATIONPart 1815 — CONTRACTING BY NEGOTIATIONSubpart 1815.6—Unsolicited Proposals1815.609-7048 C.F.R. § 1815.609-70Limited use of proposals.Last amended: 2016Year: 2026Length: 23 wordsOfficial source Cite as 48 C.F.R. § 1815.609-70 (2026)Unsolicited proposals shall be evaluated outside the Government only to the extent authorized by, and in accordance with, the procedures prescribed in, 1815.207-70.Previous48 C.F.R. § 1815.606-70Next48 C.F.R. § 1815.670