Northern Territory Consolidated Regulations Northern Territory Consolidated RegulationsThis Part does not apply in relation to a category D firearm that:
(a) is designed for military purposes; and
(b) is either:
(i) permanently affixed to a tank, military aircraft or other military vehicle; or
(ii) a firearm that is designed so that it can only be operated or moved by more than one person; and
(c) has been rendered permanently incapable of being fired.
Examples for regulation 20A
A tank, anti-aircraft gun, aircraft-mounted machine gun, artillery piece or large mortar that has been rendered permanently incapable of being fired.