Maryland Criminal Law Section 4-405

      (a)      Possession or use of a machine gun is presumed to be for an offensive or aggressive purpose when:

            (1)      the machine gun:

                  (i)      is on premises not owned or rented for bona fide permanent residence or business occupancy by the person in whose possession the machine gun is found;

                  (ii)      is in the possession of, or used by, an unnaturalized foreign-born person or a person who has been convicted of a crime of violence in any state or federal court of the United States; or

                  (iii)      is not registered as required under § 4-403 of this subtitle; or

            (2)      empty or loaded shells that have been used or are susceptible of being used in the machine gun are found in the immediate vicinity of the machine gun.

      (b)      A person may not possess or use a machine gun for an offensive or aggressive purpose.

      (c)      A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 10 years.

      (d)      A person who violates this section is subject to § 5-106(b) of the Courts Article.