CFR›Title 48›Chapter 52›Part 5231 ContainsSubpart 5231.2CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 5231—CONTRACT COST PRINCIPLES AND PROCEDURES Subparts 5231.2 Subpart 5231.2—Contracts With Commercial Organizations Sections 5231.205–5231.205-90 Authority5 U.S.C. 301, 10 U.S.C. 2501, 10 U.S.C. 7315, DoD Directive 5000.35.Source62 FR 66827, Dec. 22, 1997, unless otherwise noted.