California Code, Business and Professions Code - BPC § 6530

(a) On and after January 1, 2009, no person shall act or hold themselves out to the public as a professional fiduciary unless that person is licensed as a professional fiduciary in accordance with this chapter.

(b) This section does not apply to a person licensed as an attorney under the State Bar Act (Chapter 4 (commencing with Section 6000)).

(c) This section does not apply to a person licensed as, and acting within the scope of practice of, a certified public accountant pursuant to Chapter 1 (commencing with Section 5000) of Division 3.

(d) This section does not apply to a person enrolled as an agent to practice before the Internal Revenue Service only when acting within the scope of practice pursuant to Part 10 of Title 31 of the Code of Federal Regulations. Actions taken by an enrolled agent, when serving as a fiduciary, which are beyond the scope of their license to practice as an enrolled agent is unlicensed activity and subject to discipline under Section 146 unless the enrolled agent is also licensed as a professional fiduciary in accordance with this chapter.