{"data":{"id":"us/49-cfr-555.15","jurisdiction":"us","citation":"49 CFR 555.15","heading":"Time period for exemptions.","body":"Subject to § 555.16, each temporary exemption granted by the Administrator under this subpart shall be in effect for a period of three years from the effective date. The Administrator shall identify each exemption by a unique number.","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 B—Vehicles Built in Two or More Stages and Altered Vehicles"],"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":"c36ef81c609578aa6cb72d7673efd1fe10a8484579231321ae7657b1aebaa8d1","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-555.14","next":"us/49-cfr-555.16"},"notice":"GroundRules: Original legal text. Not legal advice."}