Maryland Business Occupations and Professions Section 17-538
§ 17-538.
  (a)   Upon approval by the Commission, a nonresident real estate broker may engage in a transaction in this State with respect to commercial real estate.
  (b)   A nonresident real estate salesperson licensed in another jurisdiction and affiliated with a nonresident real estate broker may engage in a transaction in this State with respect to commercial real estate if:
    (1)   the nonresident real estate salesperson is licensed with and provides real estate brokerage services under the direct supervision of the nonresident real estate broker;
    (2)   the nonresident real estate broker satisfies the requirements of § 17-537 of this subtitle; and
    (3)   the nonresident real estate salesperson provides real estate brokerage services in the name of the nonresident real estate broker.