{"data":{"id":"us/49-cfr-564.1","jurisdiction":"us","citation":"49 CFR 564.1","heading":"Scope.","body":"This part requires the submission of dimensional, electrical specification, and marking/designation information as specified in Appendices A and B of this part, for original equipment replaceable light sources used in motor vehicle headlighting systems. This part also serves as a repository for design information as specified in appendix C of this part, for original equipment and replacement standardized sealed beam units used in motor vehicle headlighting systems.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 564—REPLACEABLE LIGHT SOURCE AND SEALED BEAM HEADLAMP INFORMATION"],"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":"5f647605930cffc1453aa18b1702167bd8488032489d821772de635e03329bd1","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-563.12","next":"us/49-cfr-564.2"},"notice":"GroundRules: Original legal text. Not legal advice."}