California Code, Financial Code - FIN § 5301

(a) The commissioner may refer such evidence as is available concerning any violation of this division or of any regulation, order issued by the commissioner, or of any condition imposed in writing by the commissioner in connection with any grant of any application or request by the savings association or of a written agreement between the savings association and the commissioner to the Attorney General or to the district attorney of the county in which the violation occurred, who may, with or without such a referral, institute appropriate civil or criminal proceedings under this division.

(b) The commissioner and his or her counsel, deputies, or assistants may, upon request of the Attorney General or district attorney, assist the Attorney General or district attorney in presenting law or facts at any trial in these proceedings.