California Code, Health and Safety Code - HSC § 111548.3

(a) Notwithstanding any other law, a state regulatory board shall not revoke, fail to renew, or take any other disciplinary action against a physician's license based on the physician's recommendation to an eligible patient regarding, or prescription for or treatment with, an investigational drug, biological product, or device if the recommendation or prescription is consistent with protocol approved by the physician's institutional review board or an accredited independent institutional review board.

(b) The physician's institutional review board or an accredited institutional review board shall biannually report the following information to the State Department of Public Health, the Medical Board of California, and the Osteopathic Medical Board of California:

(c) A state agency shall not alter any recommendation made to the federal Centers for Medicare and Medicaid Services regarding a health care provider's certification to participate in the Medicare or Medicaid program based solely on the recommendation from an individual health care provider that a patient have access to an investigational drug, biological product, or device.

(d) A violation of this section shall not be subject to Chapter 8 (commencing with Section 111825).