Md. Code, Alcoholic Beverages and Cannabis § 12–2001

(a) (1) Except as otherwise provided by law or regulation, from 2 a.m. to 6 a.m. on any day, an individual may not consume alcoholic beverages:

(i) in a premises licensed under this title; or

(ii) in a place, whether it has any other license, if any form of live or recorded entertainment is offered at the place.

(2) An owner, an operator, or a manager of a premises or place described in paragraph (1) of this subsection may not knowingly allow consumption of alcoholic beverages prohibited under paragraph (1) of this subsection.

(b) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 3 years or a fine not exceeding $5,000 or both.