Maryland Statutes
Part II - Prohibited Acts by License Holder
Section 6-311 - Restrictions on Purchases and Sales by Retail Dealer

(a)    This section does not apply to a holder of a Class E, Class F, or Class G license.
    (b)    A retail dealer may not:
        (1)    purchase any alcoholic beverage except from a licensed manufacturer or wholesaler, private bulk sale permit holder, or nonresident winery permit holder;
        (2)    sell any alcoholic beverage to any other retail dealer except the holder of a Class C per diem beer, beer and wine, or beer, wine, and liquor license; or
        (3)    keep or allow to be kept any alcoholic beverage on the licensed premises except those that have been purchased by the retail dealer.