Maryland Code, Alcoholic Beverages and Cannabis § 23-2705

(a) A holder of an on-sale license may not allow an individual under the age of 18 years to play a game of chance or skill, including pool, billiards, shuffleboard, or a pinball or console machine, in the licensed establishment unless the individual is accompanied by a parent or guardian.

(b) A license holder who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 30 days or a fine not exceeding $100 or both.