[Code of Federal Regulations] [Title 48, Volume 3] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR216.603-3] [Page 115] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 2--DEPARTMENT OF DEFENSE PART 216--TYPES OF CONTRACTS--Table of Contents Subpart 216.6--Time-And-Materials, Labor-Hour, and Letter Contracts Sec. 216.603-3 Limitations. See subpart 217.74 for additional limitations on the use of letter contracts.