{"data":{"id":"us/49-cfr-555.4","jurisdiction":"us","citation":"49 CFR 555.4","heading":"Definitions.","body":"Administrator means the National Highway Traffic Safety Administrator or his delegate.\nPassenger motor vehicle means a motor vehicle with motive power designed to carry not more than 12 individuals, but does not include a truck not designed primarily to carry its operator or passengers, or a motorcycle.\nUnited States means the several States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, the Virgin Islands, the Canal Zone, and American Samoa.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 555—TEMPORARY EXEMPTION FROM MOTOR VEHICLE SAFETY AND BUMPER STANDARDS","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"e062d29a51629b22e51fe9a73bb3fe7289e4c9a50131b38cb505995ed8471b65","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-555.3","next":"us/49-cfr-555.5"},"notice":"GroundRules: Original legal text. Not legal advice."}