CFR›Title 45›Subtitle B›Chapter XXV›Part 2509 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 2509—ADMINISTRATIVE PRACTICE AND PROCEDURES Subparts A Subpart A—Guidance Documents Sections 2509.10–2509.30 B Subpart B [Reserved] Authority42 U.S.C. 12651c(c); E.O. 13891, 84 FR 55235.Source85 FR 44475, July 23, 2020, unless otherwise noted. Previous 2508 Part 2508—Implementation of the Privacy Act of 1974 Next 2510 Part 2510—Overall Purposes and Definitions