US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 2 — DEFENSE ACQUISITION REGULATIONS SYSTEM, DEPARTMENT OF DEFENSEPart 216 — TYPES OF CONTRACTSSubpart 216.6—Time-And-Materials, Labor-Hour, and Letter Contracts216.603-348 C.F.R. § 216.603-3Limitations.Last amended: 2016Year: 2026Length: 12 wordsOfficial source Cite as 48 C.F.R. § 216.603-3 (2026)See subpart 217.74 for additional limitations on the use of letter contracts.Previous48 C.F.R. § 216.603-2Next48 C.F.R. § 216.603-4