Md. Code, Business Regulation § 8–502

(a) A salesperson may not:

(1) represent concurrently more than 1 contractor in selling a home improvement;

(2) use a home improvement contract form that does not disclose the name of the contractor; or

(3) choose a contractor for an owner.

(b) For selling a home improvement, a salesperson shall:

(1) accept compensation only from the contractor that the salesperson represents in the sale; and

(2) pay compensation only for that contractor.