Md. Code, Alcoholic Beverages and Cannabis § 33–1902

(a) A license holder may not employ an individual under the age of 18 years in the sale of alcoholic beverages, unless a permit is obtained from the Sheriff and State’s Attorney of the county.

(b) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 1 year or a fine not exceeding $200 or both.