A title insurance limited producer shall reply in writing promptly, with a copy of the reply mailed to each title insurance company for which the licensee is acting, to an inquiry of the director relating to the licensee's acts as a title insurance limited producer. In addition to any other penalty provided by law, failure to reply is a ground for revocation of the license. A copy of the inquiry shall be sent by the director to each title insurance company for which the licensee is acting.