Md. Code, Alc. Bev. & Cannabis § 20-1201

(a) There is a local caterer’s license. (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. (c) The license authorizes a holder to: (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. (d) The license holder shall: (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: (i) remain in the possession of the license holder; and (ii) are returned to the premises for which the Class B restaurant or hotel (on–sale) beer, wine, and liquor license is issued. (e) The annual license fee is $1,500. (f) This section does not require a holder of a Class B restaurant or hotel (on–sale) beer, wine, and liquor license to obtain a local caterer’s license for catering on the premises for which the Class B license is issued.