CFR›Title 48›Chapter 6›Part 645›Subpart 645.1 ContainsSections 645.107–645.107-70CorpusDaily eCFRDisplayed edition2026-07-08Last updated2026-07-08 Subpart 645.1—General Sections 645.107 645.107 Contract clauses. 645.107-70 645.107-70 DOSAR contract clause and solicitation provision.