CFR›Title 45›Subtitle B›Chapter XVI›45 CFR Part 1600 Citation45 CFR Part 1600ContainsSection § 1600.1CorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 PART 1600—DEFINITIONS Sections § 1600.1 § 1600.1 Definitions. Authority42 U.S.C. 2996g(e).