CA Rev & Tax Code Section 7653.1

On or before August 31, 2010, each person subject to the storage tax imposed under Section 7361.1 shall prepare and file with the board, in a form prescribed by the board, a return showing the total number of gallons of tax-paid motor vehicle fuel, other than aviation gasoline, owned by the person on July 1, 2010, the amount of the storage tax, and any other information that the board deems necessary for the proper administration of this part. The return shall be accompanied by a remittance payable to the Controller in the amount of tax due.