Maryland Statutes
Part I - Licensing Conditions
Section 28-1603 - Drive-Through Sales Prohibited

The Board may not issue any license with an off–sale privilege for use in a business that is intended to be operated as a drive–through sales facility at which alcoholic beverages are:
        (1)    sold at retail; and
        (2)    dispensed through a window or door to a purchaser in or on a motor vehicle for off–premises consumption.