Maryland Health - General Section 21-1112

      (a)      This section does not apply to any:

            (1)      Surgical or dental instrument;

            (2)      Physical therapy equipment;

            (3)      X-ray apparatus; or

            (4)      Component part or accessory of any of these items.

      (b)      A person may not:

            (1)      Sell, distribute, or otherwise dispose of any drug, medicine, pharmaceutical preparation, or medicinal preparation by means of any public exhibition, entertainment, performance, or carnival, commonly known as a "medicine show" or "patent medicine show"; or

            (2)      Put or cause to be put, in any way, any package, parcel, or sample of any drug or medicine:

                  (i)      In or on any part of any house, building, or yard without the consent of the owner or occupant; or

                  (ii)      On any street or public highway.