2018 California Code
Vehicle Code - VEH
DIVISION 15 - SIZE, WEIGHT, AND LOAD
CHAPTER 2 - Width
Lights, mirrors, or devices which are required to be mounted upon a vehicle under this code may extend beyond the permissible width of the vehicle to a distance not exceeding 10 inches on each side of the vehicle.
(Amended by Stats. 1983, Ch. 145, Sec. 7. Effective June 28, 1983.)