Cal. FIN § 554

If the commissioner takes possession of a subject institution without a prior notice or hearing, or takes action against a subject person without prior notice or hearing, the commissioner shall, upon taking possession or taking that action, concurrently provide to the subject institution or subject person a written order. The order shall set forth the condition or conditions of the subject institution or action or actions of the subject person that constitute the basis or bases for the commissioner’s action. In any case where the commissioner takes possession of a subject institution, the commissioner shall establish, by clear evidence, the basis for his or her action.