(1) The Commissioner may, by Gazette notice, declare:
(a) a firearm or a type of firearm to be a firearm of a particular category of firearm; or
(b) a firearm or a type of firearm to be a firearm that is exempt from the operation of this Act.
(2) A notice under subsection (1) may specify a firearm or type of firearm by reference to particulars of the firearm or type of firearm that may include the calibre, mechanism, manufacturer, magazine capacity, fixture attached to a firearm or other particulars by which a firearm or a type of firearm may be identified.
(3) The Commissioner may, on application by a person in possession of a firearm and after examination of the firearm, by written notice, certify that the firearm is permanently incapable of use as a firearm.
(4) A reference in this Act to a category of firearm includes a firearm or type of firearm in respect of which a declaration is made under subsection (1)(a).