A license holder may sell only alcoholic beverages purchased from the Alcohol Beverage Services for the county if the holder’s license is:
        (1)    a Class A, Class B, Class H, Class C, or Class D beer license;
        (2)    a Class B, Class C, or Class D beer and wine license; or
        (3)    a Class A–TP, Class B, or Class C beer, wine, and liquor license.
Structure Maryland Statutes
Division II - Provisions Affecting Individual Jurisdictions
Subtitle 19 - Conduct of License Holders
Section 25-1901 - Application of General Provisions
Section 25-1902 - Alcohol Awareness Program -- Caterers
Section 25-1903 - Alcohol Awareness Program -- Presence on Licensed Premises Required