Rev. & Tax. Code, § 7361.2

(a) For the privilege of storing, for the purpose of sale, each supplier, wholesaler, and retailer owning 1,000 or more gallons of tax-paid motor vehicle fuel on November 1, 2017, shall pay a storage tax, the rate of which shall be determined by the board pursuant to the difference in the rate of the tax on motor vehicle fuel in effect on October 31, 2017, and the rate in effect on November 1, 2017, on tax-paid motor vehicle fuel in storage according to the volumetric measure thereof.

(b) For purposes of this section:

(1) “Owning” means having title to the motor vehicle fuel.

(2) “Retailer” means any person who sells motor vehicle fuel in this state to a person who subsequently uses the motor vehicle fuel.

(3) “Storing” includes the ownership or possession of tax-paid motor vehicle fuel outside of the bulk transfer/terminal system, including the holding of tax-paid motor vehicle fuel for sale at wholesale or retail locations stored in a container of any kind, including railroad tank cars and trucks or trailer cargo tanks. “Storing” also includes tax-paid motor vehicle fuel purchased from and invoiced by the seller, and tax-paid motor vehicle fuel removed from a terminal or entered into by a supplier, prior to the date specified in subdivision (a) and in transit on that date.

(4) “Wholesaler” means any person who sells diesel fuel in this state for resale to a retailer or to a person who is not a retailer and subsequently uses the motor vehicle fuel.