US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 1 — FEDERAL ACQUISITION REGULATIONPart 16 — TYPES OF CONTRACTSSubpart 16.6—Time-and-Materials, Labor-Hour, and Letter Contracts16.60048 C.F.R. § 16.600Scope.Last amended: 2017Year: 2026Length: 15 wordsOfficial source Cite as 48 C.F.R. § 16.600 (2026)Time-and-materials contracts and labor-hour contracts are not fixed-price contracts. [77 FR 197, Jan. 3, 2012]Next48 C.F.R. § 16.601