CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 501–599) > PART 585—PHASE-IN REPORTING REQUIREMENTS > SUBPART F—Tires for Motor Vehicles with a GVWR of 10,000 Pounds or Less Phase-In Reporting Requirements (§585.51 to §585.56) > 585.54—Response to inquiries.

585.54—Response to inquiries.

Each manufacturer shall, upon request from the Office of Vehicle Safety Compliance, provide information identifying the tires (by make, model, brand and tire identification number) that have been certified as complying with the requirements of Standard No. 139. The manufacturer's designation of a tire as a certified tire is irrevocable.