City of Baltimore
Baltimore City Code

§ 13-6. Prohibited conduct – Salespersons.

No real estate salesman shall:

(1) accept a commission or valuable consideration as a real estate salesman for the performance of any act as a real estate salesman from any person except the real estate broker named in his license; or

(2) represent or attempt to represent any other real estate broker as a real estate salesman without the knowledge and consent of the broker named in his license.