CFR›Title 49›Subtitle B›Chapter VI›Part 601 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 PART 601—ORGANIZATION, FUNCTIONS, AND PROCEDURES Subparts A Subpart A—General Provisions Sections 601.1–601.4 B Subpart B—Public Availability of Information Section 601.10 C Subpart C—Rulemaking Procedures Sections 601.20–601.36 D Subpart D—Emergency Procedures for Public Transportation Systems Sections 601.40–601.47 Authority5 U.S.C. 552; 49 U.S.C. 5301 and 5334; 49 CFR 1.91. Subpart D also issued under 42 U.S.C. 5141.Source70 FR 67318, Nov. 4, 2005, as amended at 90 FR 28226, July 1, 2025, unless otherwise noted. Next 602 Part 602—Emergency Relief