Maryland Code, Alcoholic Beverages and Cannabis § 13-1201

(b)(1) The Board may grant the privilege to a holder of a Class B or Class D on-sale beer, wine, and liquor license.

(2) The privilege is not a separate class of license but is incorporated in the holder's Class B or Class D license.

(1) contract with a sponsor of a public or private catered event held off the premises of the holder to provide food and sell beer, wine, and liquor for consumption at the event; and

(2) exercise the privilege only during the hours and on the days authorized for the holder's Class B or Class D license.