Cal. WIC § 12351

In order to conserve state enforcement funds and because of hardships under past law on the operative date of this act there is hereby released, rescinded, canceled, and otherwise nullified in whole, any sums due or owing and which yet remain unpaid from a responsible relative under Article 3 (commencing with Section 12100) of Chapter 3 of Part 3 of Division 9 of this code as in effect prior to January 1, 1974, to the state and counties; provided that such responsible relative begins and continues until January 1, 1976, to perform in compliance with the provisions of Article 8 (commencing with Section 12350) of Chapter 3 of Part 3 of Division 9 of this code as in effect from January 1, 1974, to January 1, 1976, inclusive.

Nothing in this section shall be construed to give to any responsible relative any right whatever to recover from an applicant, recipient, or county or the state any sum already actually and properly paid by the responsible relative prior to January 1, 1974.