Maryland Corporations and Associations Section 5-105

      (a)      A domestic or foreign corporation may render professional services in the State only through individuals licensed or otherwise authorized in the State to render the professional services.

      (b)      Subsection (a) of this section does not:

            (1)      Require an individual employed by a professional corporation to be licensed to perform services for the corporation if a license is not otherwise required;

            (2)      Prohibit a licensed individual from rendering professional services in his individual capacity although he is a stockholder, director, officer, employee, or agent of a domestic or foreign professional corporation; or

            (3)      Prohibit an individual licensed in another state from rendering professional services for a domestic or foreign professional corporation in the State if not prohibited by the licensing unit in the State with jurisdiction over the professional service.