California Code, Health and Safety Code - HSC § 11834.27

(a) The department shall have the sole authority in state government to establish the appropriate minimum qualifications of the licensee or designated administrator, and the staff of a provider of any of the services specified in subdivision (a) of Section 11834.26. These qualifications may include, but not be limited to, education, skills, life experience, and training.

(b) Nothing in this section shall be construed to apply to credentialing or licensing of individuals or to certification qualifications established pursuant to Chapter 7 (commencing with Section 11833).