Any law enforcement officer of the State of Maine, any law enforcement officer of another state or a territory of the United States, members of the Armed Forces, Maine National Guard and Maine State Guard may possess a machine gun if the possession or carrying of such weapon is in the discharge of his official duties and has been authorized by his appointing authority.   [PL 1975, c. 499, §1 (NEW).]

Machine guns manufactured, acquired, transferred or possessed in accordance with the National Firearms Act, as amended, shall be exempt from this chapter.   [PL 1975, c. 499, §1 (NEW).]