California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 8606

The tax so levied shall be computed and entered upon the assessment roll by the county auditor, and if the supervisors fail to levy the tax as required, the auditor shall do so. The tax shall be collected at the same time, and in the same manner as, and together with and not separate from, general county taxes, and when collected shall be paid into the county treasury for the use of the district.