(a) Notice of any action by the Secretary under this Act or regulations or orders promulgated under it shall be made either personally or by registered or certified mail, return receipt requested, and by sending a copy of the notice by telephone facsimile or electronic mail, if known and operating, and if unknown or not operating, then by regular mail. Service by mail shall be deemed completed if the notice is deposited as registered or certified mail in the post office, postage paid, addressed to the last known address specified in the application for the certificate of authority to do business or certificate of registration of the holder or registrant.
     (b) The Secretary shall notify all registered agents of a title insurance company when that title insurance company’s certificate of authority is suspended or revoked.