Maryland Business Occupations and Professions Section 19-407

      (a)      Whenever a security guard is in uniform, the security guard may wear a badge that is:

            (1)      of a design approved by the Secretary; and

            (2)      issued by the licensed security guard agency that employs the security guard.

      (b)      Whenever a security guard is in uniform, the security guard shall clearly display and wear the clearance card issued by the Secretary which identifies the security guard.