Cal. Business and Professions Code § 155

(a) In accordance with Section 159.5, the director may employ such investigators, inspectors, and deputies as are necessary properly to investigate and prosecute all violations of any law, the enforcement of which is charged to the department or to any board, agency, or commission in the department. (b) It is the intent of the Legislature that inspectors used by boards, bureaus, or commissions in the department shall not be required to be employees of the Division of Investigation, but may either be employees of, or under contract to, the boards, bureaus, or commissions. Contracts for services shall be consistent with Article 4.5 (commencing with Section 19130) of Chapter 6 of Part 2 of Division 5 of Title 2 of the Government Code. All civil service employees currently employed as inspectors whose functions are transferred as a result of this section shall retain their positions, status, and rights in accordance with Section 19994.10 of the Government Code and the State Civil Service Act (Part 2 (commencing with Section 18500) of Division 5 of Title 2 of the Government Code). (c) Nothing in this section limits the authority of, or prohibits, investigators in the Division of Investigation in the conduct of inspections or investigations of any licensee, or in the conduct of investigations of any officer or employee of a board or the department at the specific request of the director or his or her designee.