{"data":{"id":"us/49-cfr-523.4","jurisdiction":"us","citation":"49 CFR 523.4","heading":"Passenger automobile.","body":"A passenger automobile is any automobile (other than an automobile capable of off-highway operation) manufactured primarily for use in the transportation of not more than 10 individuals. A medium-duty passenger vehicle that does not meet the criteria for non-passenger motor vehicles in § 523.6 is a passenger automobile.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 523—VEHICLE CLASSIFICATION"],"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":"26dbb6a4fb59c22121653e3f89f4ef00aae9343e0c47e82fc12c7ca32a8e8b06","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-523.3","next":"us/49-cfr-523.5"},"notice":"GroundRules: Original legal text. Not legal advice."}