CFR›Title 48›Chapter 6›Part 651 ContainsSubpart 651.70CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 651—USE OF GOVERNMENT SOURCES BY CONTRACTORS Subparts 651.70 Subpart 651.70—Contractor Use of Travel Advances, Official Travel Orders, and Government Travel Requisitions Section 651.7001 Authority40 U.S.C. 486(c); 22 U.S.C. 2658. Previous 649 Part 649—Termination of Contracts Next 652 Part 652—Solicitation Provisions and Contract Clauses