This part establishes procedures for the submission and disposition of petitions filed by interested persons pursuant to 49 U.S.C. Chapters 301, 305, 321, 323, 325, 327, 329 and 331 to initiate rulemaking or to make a decision that a motor vehicle or item of replacement equipment does not comply with an applicable Federal motor vehicle safety standard or contains a defect which relates to motor vehicle safety.
49 C.F.R. §552.1