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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
All Titles
Title 48
Chapter 15
Part 1516
Subpart 1516.6 - Subpart 1516.6—Time-and-Materials, Labor-Hour, and Letter Contracts
1516.603 - 1516.603 Letter Contracts.
1516.603-1 - 1516.603-1 What is a Notice to Proceed?
1516.603-2 - 1516.603-2 What are the requirements for use of an NTP?
1516.603-3 - 1516.603-3 Limitations.
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