Md. Code Ann., Alc. Bev. & Cannabis § 2-218
A holder of a manufacturer's license or the owner of an interest in a distillery, brewery, rectifying, blending, or bottling plant may not enter into an agreement with a retail dealer that limits the purchases or sales of the retail dealer to the products of any producer.
Added by Acts 2016, c. 41, § 2, eff. July 1, 2016.