Md. Code, Alcoholic Beverages and Cannabis § 17–2001

In this subtitle, “restaurant” means a business establishment:

(1) that is for the accommodation of the public;

(2) that has a proper and an adequate dining room and sufficient facilities for preparing and serving meals;

(3) that has been approved by the Board; and

(4) whose average of annual receipts from the sale of food comprises at least 25% of the average receipts of the business.