(1) A person must not, unless authorised to do so by a permit—
(a) shorten any firearm (other than a pistol); or
(b) subject to section 241 (1), possess any such firearm that has been shortened; or
(c) sell or give possession of any such firearm that has been shortened to another person.
Maximum penalty: 50 penalty units, imprisonment for 6 months or both.
(2) The regulations may provide that certain kinds of firearms are taken to have been shortened for this section only if they (or specified parts of them) have prescribed characteristics.