California Code, Health and Safety Code - HSC § 43152

No person who is engaged in this state in the business of selling to an ultimate purchaser, or renting or leasing new motor vehicles or new motor vehicle engines, including, but not limited to, manufacturers, distributors, and dealers, shall intentionally or negligently import, deliver, purchase, receive, or otherwise acquire a new motor vehicle, new motor vehicle engine, or vehicle with a new motor vehicle engine which is intended for use primarily in this state, for sale or resale to an ultimate purchaser who is a resident of or doing business in this state, or for registration, leasing or rental in this state, which has not been certified pursuant to this chapter. No person shall attempt or assist in any such act.