CFR›Title 48›Chapter 18›Part 1817 ContainsSubparts 1817.2–1817.70CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 1817—SPECIAL CONTRACTING METHODS Subparts 1817.2 Subpart 1817.2—Options Section 1817.208 1817.70 Subpart 1817.70—Phased Acquisition Sections 1817.7000–1817.7002 Authority51 U.S.C. 20113(a) and 48 CFR chapter 1.Source61 FR 55753, Oct. 29, 1996, unless otherwise noted. Previous 1816 Part 1816—Types of Contracts Next 1819 Part 1819—Small Business Programs