US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 6 — DEPARTMENT OF STATEPart 630 — COST ACCOUNTING STANDARDS ADMINISTRATIONSubpart 630.2—CAS Program Requirements630.201-548 C.F.R. § 630.201-5Waiver.Last amended: 2016Year: 2026Length: 18 wordsSubsections: 1Official source Cite as 48 C.F.R. § 630.201-5 (2026)(a) The Procurement Executive is the head of the agency for the purposes of FAR 30.201-5(a) and (b).