Md. Code, Alcoholic Beverages and Cannabis § 26–2708

(a) A license holder may not sell alcoholic beverages by means of a self–scanning cash register or other automated system that is:

(1) capable of recovering stored information related to the sale price of individual retail items; and

(2) operated on a self–service basis by a customer.

(b) If a license holder violates this section, the Board may impose on the license holder:

(1) for a first offense, a fine not exceeding $1,000;

(2) for a second offense, a fine not exceeding $2,500; and

(3) for a third or subsequent offense:

(i) a fine not exceeding $2,500; or

(ii) suspension or revocation of the license.