California Code, Government Code - GOV § 6254.22

Nothing in this chapter or any other provision of law shall require the disclosure of records of a health plan that is licensed pursuant to the Knox-Keene Health Care Service Plan Act of 1975 (Chapter 2.2 (commencing with Section 1340) of Division 2 of the Health and Safety Code) and that is governed by a county board of supervisors, whether paper records, records maintained in the management information system, or records in any other form, that relate to provider rate or payment determinations, allocation or distribution methodologies for provider payments, formulae or calculations for these payments, and contract negotiations with providers of health care for alternative rates for a period of three years after the contract is fully executed. The transmission of the records, or the information contained therein in an alternative form, to the board of supervisors shall not constitute a waiver of exemption from disclosure, and the records and information once transmitted to the board of supervisors shall be subject to this same exemption. The provisions of this section shall not prevent access to any records by the Joint Legislative Audit Committee in the exercise of its powers pursuant to Article 1 (commencing with Section 10500) of Chapter 4 of Part 2 of Division 2 of Title 2. The provisions of this section also shall not prevent access to any records by the Department of Managed Health Care in the exercise of its powers pursuant to Article 1 (commencing with Section 1340) of Chapter 2.2 of Division 2 of the Health and Safety Code.