U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 48Chapter 5Part 517 - PART 517—SPECIAL CONTRACTING METHODS
Subpart 517.1 [517.109 - 517.109] - Subpart 517.1—Multi-year Contracting
Subpart 517.2 [517.200 - 517.208] - Subpart 517.2—Options
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