Md. Code, Alcoholic Beverages and Cannabis § 20–2502

(a) From 2 a.m. to 6 a.m. on any day, an individual may not consume alcoholic beverages in:

(1) an establishment open to the public;

(2) a place of public entertainment; or

(3) a place at which setups or other component parts of mixed alcoholic beverages are sold under a license issued under the Business Regulation Article.

(b) An owner or a manager of an establishment or a place specified in subsection (a) of this section may not knowingly allow consumption of alcoholic beverages between the hours specified in subsection (a) of this section.

(c) A person who violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $50.