Md. Code, Alcoholic Beverages and Cannabis § 9-1605
§9–1605.
A Class A, Class B, or Class D beer, wine, and liquor license may not be issued for, transferred to, used in conjunction with, used at a location having a direct or indirect connection with, or used at the location of:
(1) a chain store;
(2) a supermarket; or
(3) a discount house.