CFR›Title 49›Subtitle A›Part 5 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-06-04Last updated2026-06-04 PART 5—ADMINISTRATIVE RULEMAKING, GUIDANCE, AND ENFORCEMENT PROCEDURES Subparts A Subpart A—General Section 5.1 B Subpart B—Rulemaking Procedures Sections 5.3–5.21 C Subpart C—Guidance Procedures Sections 5.25–5.49 D Subpart D—Enforcement Procedures Sections 5.53–5.119 Authority49 U.S.C. 322(a).Source91 FR 22437, Apr. 27, 2026, unless otherwise noted. Previous 3 Part 3—Official Seal Next 6 Part 6—Implementation of Equal Access to Justice Act in Agency Proceedings