StacksVerified U.S. regulatory reference

49 CFR §564.1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.