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Title 48

Displaying title 48, up to date as of 10/06/2026. Title 48 was last amended 10/01/2026.
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Title 48Federal Acquisition Regulations SystemPart / Section
Chapter 18National Aeronautics and Space Administration1800 – 1899
Subchapter CContracting Methods and Contract Types1813 – 1817
Part 1815Contracting by Negotiation1815.203-72 – 1815.7003
Subpart 1815.2Solicitation and Receipt of Proposals and Information1815.203-72 – 1815.209-70
1815.203-72Risk management.
1815.207Handling proposals and information.
1815.207-70Release of proposal information.
1815.207-71Appointing non-Government evaluators as special Government employees.
1815.208Submission, modification, revision, and withdrawal of proposals. (NASA supplements paragraph (b))
1815.209Solicitation provisions and contract clauses. (NASA supplements paragraph (a))
1815.209-70NASA solicitation provisions.
Subpart 1815.3Source Selection1815.305-70 – 1815.306
1815.305-70Identification of unacceptable proposals.
1815.306Exchanges with offerors after receipt of proposals. (NASA supplements paragraphs (c), (d), and (e))
Subpart 1815.4Contract Pricing1815.403 – 1815.408-70
Subpart 1815.5Preaward, Award, and Postaward Notifications, Protests, and Mistakes1815.504
1815.504Award to successful offeror.
Subpart 1815.6Unsolicited Proposals1815.602 – 1815.670
1815.602Policy.
1815.604Agency points of contact. (NASA supplements paragraph (a))
1815.606Agency procedures. (NASA supplements paragraphs (a) and (b))
1815.606-70Relationship of unsolicited proposals to NRAs.
1815.609Limited use of data.
1815.609-70Limited use of proposals.
1815.670Foreign proposals.
Subpart 1815.70Ombudsman1815.7001 – 1815.7003
1815.7001NASA Ombudsman Program.
1815.7003Contract clause.