California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 2 - Lighting Equipment
Article 2 - Identification Markings
Section 630 - Permanent Markings

Each lens and housing shall be permanently and legibly marked with the manufacturer's or vendor's name, initials or lettered trademark, the model designation, and other specified markings. Lens markings need not be the same as housing markings. Markings shall be imprinted on a permanently attached nameplate, die-stamped, or molded in the locations specified in this title. In lieu of other methods of marking, gaseous discharge bulbs, flashers, and the backs of sealed optical units may be marked with indelible ink.

Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 24006 and 26103, Vehicle Code.