Md. Code, Business Occupations and Professions § 17–3A–02

(a) Subject to the limitations of this subtitle, the Commission may issue a reciprocal license to a person:

(1) holding a current license to provide real estate brokerage services issued by another state; and

(2) whose principal place of business for the provision of real estate brokerage services is outside the State.

(b) The reciprocal license shall be for the category of license the Commission determines is most similar to the category of license issued by the other state.