California Code, Health and Safety Code - HSC § 130541

To implement the program, the department may contract with a third-party vendor or utilize existing health care service provider enrollment and payment mechanisms, including the Medi-Cal program's fiscal intermediary. Drug discount agreements negotiated by a third party shall be subject to review by the department. The department may cancel a contract that it finds not in the best interests of the state or program participants. Participating pharmacy contracts entered into pursuant to Section 130505 shall be considered contracts between the participating pharmacy and the department and shall not be associated with, or leveraged against, other third-party agreements.