Maryland Statutes
Subtitle 4 - Water Vessel, Railroad, and Aircraft Licenses
Section 2-401 - No License or Permit Required for Certain Planes or Ships

A license or permit is not required for a transport plane furnished with a cocktail lounge or a water vessel carrying passengers or cargo to a foreign port if:
        (1)    alcoholic beverages are purchased from a manufacturer or wholesaler; and
        (2)    satisfactory evidence is submitted in writing to the Comptroller that the alcoholic beverages are for sale or use beyond the continental limits and possessions of the United States.