Md. Code, Alcoholic Beverages and Cannabis § 17–1903

(a) A license holder shall ensure that:

(1) each employee in a supervisory capacity and each bartender be certified by an approved alcohol awareness program; and

(2) at least one certified individual be present on the licensed premises during the hours in which alcoholic beverages may be sold.

(b) A license holder who violates this section is subject to:

(1) for a first offense, a $100 fine; and

(2) for each subsequent offense, a fine not exceeding $500 or suspension or revocation of the license or both.