California Code
CHAPTER 2 - Disclosure of Medical Information by Providers
Section 56.12.

56.12. Upon demand by the patient or the person who signed an authorization, a provider of health care, health care service plan, pharmaceutical company, or contractor possessing the authorization shall furnish a true copy thereof.

(Amended by Stats. 2002, Ch. 853, Sec. 5. Effective January 1, 2003.)