A person may not be licensed under this subtitle unless the person: Is a licensed dealer; or Is employed as a vehicle salesman by a licensed dealer. Unless the applicant is himself a licensed dealer, each application for a license shall contain or be accompanied by the written statement of the licensed dealer by whom the applicant is or will be employed, certifying that the applicant has been accepted by the licensed dealer for employment as a vehicle salesman. The written statement shall be signed on behalf of the licensed dealer by a person authorized under this title to sign an application for a dealer’s license. If a dealer makes a certified statement under this section, the dealer immediately shall notify the Administration of any termination of employment of the salesman. The notification required under subsection (c) of this section shall be made on the form that the Administration requires.