Upon the termination of the employment of a licensee, without any understanding or arrangement for reemployment, or in the event of the failure of the applicant (employer) to employ the licensee within 30 days after issuance of the license, the applicant (employer) shall forthwith notify the commission of such termination of employment or failure to employ and return to the commission any license, badge or other evidence of issuance of a license in its possession.