The Secretary shall issue to each individual who is certified as a private detective under this subtitle a certification card that identifies the individual as a certified private detective. 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 § 13-407 of this subtitle. The certification card shall contain: a statement that in substance specifies that the individual is certified by the Secretary as a private detective; the name of the licensed private detective agency with or by which the individual is associated or employed; and any information that the Secretary considers appropriate to: identify the individual; or specify the authority of the individual.