Md. Code, Alcoholic Beverages and Cannabis § 13–1201

(a) There is an off–sale caterer privilege.

(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.

(c) The holder of the privilege shall:

(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.

(d) The privilege may be renewed.

(e) The annual fee for the privilege is $500 in addition to the annual fee for the license to which the privilege is incorporated.