The Secretary shall issue to each individual who is certified as a security guard under this subtitle a certification card that identifies the individual as a certified security guard. Subject to this subsection, the Secretary shall determine the form and content of the certification card. The certification card shall be of a size and made of materials appropriate for its intended use, as provided under § 19-406 of this subtitle. The certification card shall contain: a statement that in substance specifies that the individual is certified by the Secretary as a security guard; any information that the Secretary considers appropriate to: identify the individual; or specify the authority of the individual; and the date on which the certification expires.