CFR›Title 45›Subtitle B›Chapter XVI›Part 1600 ContainsSection 1600.1CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 1600—DEFINITIONS Sections 1600.1 § 1600.1 Definitions. Authority42 U.S.C. 2996g(e). Next 1602 Part 1602—Procedures for Disclosure of Information Under the Freedom of Information Act