Maryland Code, Alcoholic Beverages and Cannabis § 20-1201

(b)(1) Subject to paragraph (2) of this subsection, the Board may issue the license to the holder of a Class B restaurant or hotel (on-sale) beer, wine, and liquor license.

(2) Before the Board issues or renews the license, the county health department shall approve the food preparation facilities for a catered event.

(1) provide beer, wine, and liquor at a publicly or privately sponsored event that is held off the premises for which the holder's Class B restaurant or hotel (on-sale) beer, wine, and liquor license is issued; and

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

(1) prepare, deliver, and provide food for consumption at the catered event;

(2) provide the service employees to serve alcoholic beverages at the catered event;

(3) ensure that at least one service employee is certified by an alcohol awareness program under § 4-505 of this article and is on the premises at all times during the event; and

(4) ensure after the event that all of the alcoholic beverages: