California Code, Revenue and Taxation Code - RTC § 6480

(a) For purposes of the imposition of the prepayment of sales tax on motor vehicle fuel or aircraft jet fuel pursuant to this article, the terms “aircraft jet fuel,” “aircraft jet fuel dealer,” “aviation gasoline,” “entry,” “in this state,” “motor vehicle fuel,” “person,” “removal,” “sale,” and “supplier” are defined pursuant to Part 2 (commencing with Section 7301), except as provided in subdivision (b).

(b) For purposes of this article, “motor vehicle fuel” does not include aviation gasoline for use in propelling aircraft.

(c) For purposes of the imposition of the prepayment of sales tax on diesel fuel pursuant to this article, the terms “diesel fuel,” “entry,” “in this state,” “removal,” “person,” and “supplier,” are defined pursuant to Part 31 (commencing with Section 60001).

(d) “Wholesaler” includes every person other than a supplier, dealing in motor vehicle fuel, aircraft jet fuel, or diesel fuel. “Wholesaler” does not include anyone dealing in motor vehicle fuel or diesel fuel in the capacity of an operator of a service station. “Wholesaler” does not include anyone dealing in aircraft jet fuel in the capacity of an aircraft jet fuel dealer.

(e) With respect to diesel fuel and aircraft jet fuel, “sale” means:

(f) For purposes of this article, aircraft jet fuel will be subject to the prepayment of sales tax at such time and in such manner as if it were subject to diesel fuel tax under the Diesel Fuel Tax Law in Part 31 (commencing with Section 60001), except that in the case of bulk transfers, aircraft jet fuel is not subject to the prepayment of sales tax as to the removal of diesel fuel in this state from any refinery as described in paragraph (1) of subdivision (a) of Section 60052, the entry of diesel fuel into this state as described in paragraph (1) of subdivision (b) of Section 60052, or the removal of diesel fuel in this state as described in subdivision (c) of Section 60052.