California Code, Financial Code - FIN § 30215

If the commissioner, as a result of any examination or from any report made to him, shall find that any person subject to this division is in an insolvent condition, or is operating a securities depository in such an unsafe or injurious manner as to render further operations hazardous to the public or to depositors the commissioner may forthwith, by an order addressed to and served by registered mail on such person, direct discontinuance of the operation of a securities depository within the State of California or direct discontinuance of the solicitation of security holders within the State of California by such securities depository, or otherwise limit the conduct of the business of such depository as may be necessary for the safety of security holders. The order shall remain in effect until set aside by the commissioner in whole or in part.