California Code, Vehicle Code - VEH § 21224

(a) A person operating a motorized scooter is not subject to the provisions of this code relating to financial responsibility, registration, and license plate requirements, and, for those purposes, a motorized scooter is not a motor vehicle.

(b) A motorized scooter is exempt from the equipment requirements in Division 12 (commencing with Section 24000), except for Sections 24003 and 27400, Article 4 (commencing with Section 27450) of Chapter 5 of Division 12, and Section 27602.

(c) Notwithstanding subdivision (b), any motorized scooter may be equipped with equipment authorized by Division 12 (commencing with Section 24000).

(d) Any motorized scooter equipped with lighting equipment that is authorized by Division 12 (commencing with Section 24000) shall meet the lighting requirements in Article 1 (commencing with Section 24250) of Chapter 2 of Division 12 for that equipment.