CFR›Title 49›Subtitle B›Chapter V›Part 557 ContainsSections 557.1–557.8CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 557—PETITIONS FOR HEARINGS ON NOTIFICATION AND REMEDY OF DEFECTS Sections 557.1 § 557.1 Scope. 557.2 § 557.2 Purpose. 557.3 § 557.3 General. 557.4 § 557.4 Requirements for petition. 557.5 § 557.5 Improperly filed petitions. 557.6 § 557.6 Determination whether to hold a public hearing. 557.7 § 557.7 Public hearing. 557.8 § 557.8 Determination of manufacturer's obligation. AuthoritySec. 9, Pub. L. 89-670, 80 Stat. 931 (49 U.S.C. 1657); sec. 103, 119, Pub. L. 89-563, 80 Stat. 718 (15 U.S.C. 1392, 1407); sec. 156, Pub. L. 93-492, 88 Stat. 1470 (15 U.S.C. 1416); delegation of authority at 49 CFR 1.50).Source41 FR 56812, Dec. 30, 1976, unless otherwise noted. Previous 556 Part 556—Exemption for Inconsequential Defect or Noncompliance Next 561 Part 561—Documentation for Electric-Powered Vehicles