CFR›Title 49›Subtitle B›Chapter V›Part 552 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 PART 552—PETITIONS FOR RULEMAKING, DEFECT, AND NONCOMPLIANCE ORDERS Subparts A Subpart A—General Sections 552.1–552.10 B Subpart B—Petitions for Expedited Rulemaking To Establish Dynamic Automatic Suppression System Test Procedures for Federal Motor Vehicle Safety Standard No. 208, Occupant Crash Protection Sections 552.11–552.15 Authority49 U.S.C. 30111, 30118, 30162; delegation of authority at 49 CFR 1.50.Source40 FR 42014, Sept. 10, 1975, unless otherwise noted. Previous 551 Part 551—Procedural Rules Next 553 Part 553—Rulemaking Procedures