California Code, Welfare and Institutions Code - WIC § 18521

(a) Until the rate of county expenditure for the direct and administrative costs of welfare activities under this chapter exceeds, on a fiscal year basis determined not less frequently than quarterly, eight one-hundredths of 1 percent (.08%) of the total assessed valuation of the property subject to county taxation, the state shall not participate in the expenditure.

(b) With respect to county funds expended at a rate exceeding eight one-hundredths of 1 percent (.08%) of the total assessed valuation of the property subject to county taxation, but not exceeding twelve one-hundredths of 1 percent (.12%) thereof, the state shall pay each county eighty percent (80%) of such expenditures.

(c) With respect to county funds expended at a rate exceeding twelve one-hundredths of 1 percent (.12%) of the total assessed valuation of the property subject to county taxation, but not exceeding sixteen one-hundredths of 1 percent (.16%) thereof, the state shall pay each county ninety percent (90%) of such expenditures.

(d) With respect to county funds expended at a rate exceeding sixteen one-hundredths of 1 percent (.16%) of the total assessed valuation of the property subject to county taxation, the state shall pay each county ninety-five percent (95%) of such expenditures.

(e) The state shall pay to each county the full amount of the total costs of relief to persons who are residents of the state but who are not residents of any county.