Md. Code, Alcoholic Beverages and Cannabis § 29–1308

(a) The Board may issue a per diem license of any class.

(b) A license holder may exercise the privileges of the license at any entertainment event held by a club.

(c) The Board may not require that an application for a per diem license be published before issuing the license.

(d) The period for which a license may be issued is:

(1) for a per diem beer license or a per diem beer and wine license, not longer than 7 consecutive days; and

(2) for a per diem beer, wine, and liquor license, not longer than 14 consecutive days.