Section 4000.4 Of Article 1. Vehicles Subject To Registration From California Vehicle Code >> Division 3. >> Chapter 1. >> Article 1.
4000.4
. (a) Except as provided in Sections 6700, 6702, and 6703,
any vehicle which is registered to a nonresident owner, and which is
based in California or primarily used on California highways, shall
be registered in California.
(b) For purposes of this section, a vehicle is deemed to be
primarily or regularly used on the highways of this state if the
vehicle is located or operated in this state for a greater amount of
time than it is located or operated in any other individual state
during the registration period in question.