Md. Code Ann., Alc. Bev. & Cannabis § 19-2707
An individual may possess an alcoholic beverage in an open container on private property described under § 6-322(a)(1) of this article only if the individual possesses and presents the written consent of the owner of the property.
Added by Acts 2016, c. 41, § 2, eff. July 1, 2016.