California Code, Welfare and Institutions Code - WIC § 11487

(a) Whenever any aid under this chapter is repaid to the state by means of child support collections, the state shall be entitled to the amount received or recovered, except to the extent that county and federal funds were expended.  If funds advanced by the federal government were paid, the federal government shall be entitled to a share of the amount received or recovered, proportionate to the amount of federal funds paid.  Except as provided in subdivision (b), if funds were paid by a county, the county shall be entitled to a share of the amount received or recovered, proportionate to the amount of county funds paid.

(b) For the 2011-12 and 2012-13 fiscal years, the county share of funds received or recovered pursuant to subdivision (a) shall instead be suspended and these funds shall be retained by the state.