Md. Code Ann., Alco. Bev. & Cannabis § 23-1902

(a) A holder of a Class A, Class B, or Class C license may employ an individual who is at least 18 years old to sell or serve alcoholic beverages.

(b) A holder of a Class D license may employ an individual who is at least 18 years old to sell or serve beer and wine.

Official source: Maryland General Assembly. Reproduced from public-domain Maryland statutes; confirm against the official source for the current text. Not legal advice.