Md. Code, Agriculture § 10–201

No buyer, handler, distributor, dealer, or agent, who purchases or contracts to purchase, from a producer field and livestock products produced on a farm may:

(1) Use duress against, coerce, or boycott any producer of raw agricultural products in the exercise of his right to join and belong to a cooperative agricultural marketing association; or

(2) Discriminate against a producer of raw agricultural products, solely by reason of the producer’s membership in or marketing contract with a cooperative agricultural marketing association.