501 CMR 20.00 does not apply to:
- (1) Firearms being delivered to law enforcement for the sole purpose of their destruction;
- (2) Firearms possessed by common carriers and their duly authorized employees and agents while performing the regular and ordinary transport of firearms as merchandise for customers licensed to permit such transport;
- (3) Firearms possessed by individuals lawfully traveling through the Commonwealth in the care and custody of a nonresident owner;
- (4) Firearms that are property of the government of the United States;
- (5) Firearms produced by federally licensed manufacturers not for sale in the Commonwealth;
- (6) Firearms manufactured prior to October 22, 1968; or
- (7) Firearms with an existing serial number. Those in possession of firearms with an existing serial number are not required to obtain another one pursuant to 501 CMR 20.00, provided however, the procedures for recording existing serial numbers and registration requirements are followed in accordance with 201 CMR 19.00: Registration of Firearms;
- (8) Any other lawful exemption included in 520 CMR 19.00: Registration of Firearms.