Cal. Pen. Code § 23
In any criminal proceeding against a person who has been issued a license to engage in a business or profession by a state agency pursuant to provisions of the Business and Professions Code or the Education Code, or the Chiropractic Initiative Act, the state agency which issued the license may voluntarily appear to furnish pertinent information, make recommendations regarding specific conditions of probation, or provide any other assistance necessary to promote the interests of justice and protect the interests of the public, or may be ordered by the court to do so, if the crime charged is substantially related to the qualifications, functions, or duties of a licensee.
For purposes of this section, the term "license" shall include a permit or a certificate issued by a state agency.
For purposes of this section, the term "state agency" shall include any state board, commission, bureau, or division created pursuant to the provisions of the Business and Professions Code, the Education Code, or the Chiropractic Initiative Act to license and regulate individuals who engage in certain businesses and professions.
Ca. Pen. Code § 23