Maryland Statutes
Subtitle 19 - Conduct of License Holders
Section 11-1903 - Window Required on Premises With Class D License

(a)    A holder of a Class D beer, wine, and liquor license may sell alcoholic beverages or allow alcoholic beverages to be provided only in a room with at least one plain glass window facing the street.
    (b)    (1)    The window shall enable an individual standing on the ground to observe the interior of the premises when sales of alcoholic beverages are prohibited.
        (2)    The view afforded by the window may not be obstructed when sales of alcoholic beverages are prohibited.