Maryland Labor and Employment Section 3-607

      (a)      If a principal makes a revocable offer of a commission to a sales representative who is not an employee of the principal, the sales representative is entitled to the commission agreed on if:

            (1)      the principal revokes the offer of commission and the sales representative establishes that the revocation was for the purpose of avoiding payment of the commission; or

            (2)      (i)      the revocation occurs after the sales representative has obtained a written order for the principal's product because of the efforts of the sales representative; and

                  (ii)      the principal's product that is the subject of the order is shipped to and paid for by a customer.

      (b)      This section may not be construed to:

            (1)      impair the application of § 2-201 or § 2-209 of the Commercial Law Article;

            (2)      abrogate any rule of agency law; or

            (3)      unconstitutionally impair the obligations of contracts.