California Code, Health and Safety Code - HSC § 1375.5

No contract between a risk-bearing organization and a health care service plan that is issued, amended, delivered, or renewed in this state on or after July 1, 2000, shall include any provision that requires the risk-bearing organization to be at financial risk for the provision of health care services, unless the provision has first been negotiated and agreed to between the health care service plan and the risk- bearing organization.

This section shall not prevent a risk-bearing organization from accepting the financial risk pursuant to a contract that meets the requirements of Section 1375.4.