California Code, Revenue and Taxation Code - RTC § 6366.2

(a) There are exempted from the taxes imposed by this part the gross receipts from the sale of and the storage, use, or other consumption in this state of any new motor vehicle sold to a purchaser who is a resident of a foreign country and who arranges for the purchase through an authorized vehicle dealer in the foreign country prior to arriving in the United States, if the following conditions are met:

(b) For purposes of this section, “carrier” means a person or firm engaged in the business of transporting for compensation tangible personal property owned by other persons, and includes both common and contract carriers. “Forwarding agent” means a person or firm engaged in the business of preparing property for shipment or arranging for its shipment.