Maryland Business Occupations and Professions Section 17-607

      (a)      Except as otherwise provided in subsection (b) of this section, in a real estate transaction involving a single-family dwelling, a real estate broker, an associate real estate broker, a real estate salesperson, or a lawyer acting as a real estate broker may not require a buyer, as a condition of settlement, to employ a particular:

            (1)      title insurance company;

            (2)      settlement company;

            (3)      escrow company;

            (4)      mortgage lender, or financial institution as defined in the Financial Institutions Article; or

            (5)      title lawyer.

      (b)      A seller may not be prohibited from offering owner financing as a condition of settlement.