Government Code § 11415.10

(a) The governing procedure by which an agency conducts an adjudicative proceeding is determined by the statutes and regulations applicable to that proceeding. If no other governing procedure is provided by statute or regulation, an agency may conduct an adjudicative proceeding under the administrative adjudication provisions of the Administrative Procedure Act.

(b) This chapter supplements the governing procedure by which an agency conducts an adjudicative proceeding.