Cal. Gov. Code § 14883

There shall be deducted from all money received from the sale of such documents or publications, a pro rata share of the cost of administration and the balance shall be paid into the Treasury, by March 31, for sales occurring during the first half of the fiscal year, by September 30, for sales occurring during the second half of the fiscal year, and credited to the fund from which the cost of printing was paid. The amounts deducted for administrative costs shall be deposited in the State Treasury and credited to the Service Revolving Fund.