CA Gov't Code Section 110009

If, on the county implementation date, individual providers are represented by a recognized employee organization, the Statewide Authority shall be deemed the successor employer of the predecessor agency for the purposes of negotiating a collective bargaining agreement, and shall be obligated to recognize and to meet and confer in good faith with the recognized employee organization on all matters within the scope of representation, as defined in Section 110023, as to those individual providers.