US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 5 — GENERAL SERVICES ADMINISTRATIONPart 543 — CONTRACT MODIFICATIONSSubpart 543.2—Change Orders543.20548 C.F.R. § 543.205Contract clause.Last amended: 2021Year: 2026Length: 29 wordsOfficial source Cite as 48 C.F.R. § 543.205 (2026)Insert the clause at 552.243-71, Equitable Adjustments, in solicitations and contracts that include any of the following FAR clauses: 52.243-4, 52.243-5, or 52.236-2. [86 FR 55521, Oct. 6, 2021]