Cal. Welf. & Inst. Code § 15152

From the sums appropriated therefor by the State of California, the State Treasurer shall pay to each county an additional amount, which shall be used exclusively for public assistance, equal to that proportion of the aid grants paid by the county under each public assistance program as is specified in the appropriation for that program, after deducting from the sums so expended the amount paid to the county under subdivision (1) of Section 15150 of this code.