Md. Code Ann., Com. Law § 12-808
A licensed real estate broker, insurer, salesman, attorney-at-law, or agent thereof who arranges or procures a mortgage may not collect a finder's fee if, in addition to acting as broker under this subtitle, he is also acting as a real estate broker, insurer, salesman, attorney-at-law, or agent thereof in connection with the subject property or transaction.
Added by Acts 1979, c. 352, § 1, eff. July 1, 1979.