Maryland Business Occupations and Professions Section 19-405
§ 19-405.
  (a)   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.
  (b)   (1)   Subject to this subsection, the Secretary shall determine the form and content of the certification card.
    (2)   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.
    (3)   The certification card shall contain:
      (i)   a statement that in substance specifies that the individual is certified by the Secretary as a security guard;
      (ii)   any information that the Secretary considers appropriate to:
        1.   identify the individual; or
        2.   specify the authority of the individual; and
      (iii)   the date on which the certification expires.