The Department, upon approval of an application for or renewal of a permit, shall prepare and deliver to each agent a pocket card which, among other things, shall contain the name and address of the agent and of the employing school and shall certify that the person whose name appears thereon is an authorized agent of the school.

14 Del. C. 1953, § 8510; 58 Del. Laws, c. 544; 71 Del. Laws, c. 180, § 190