[1] Subregulation 144 (3), note
omit
[2] After subregulation 144 (3)
insert
(4) It is a defence to a prosecution under subregulation (1) if the person's discharge of the firearm was authorised under regulation 4.59A of the Aviation Transport Security Regulations 2005 .
Note 1 Regulation 4.59A of the Aviation Transport Security Regulations 2005 deals with air security officers using weapons on board aircraft to safeguard against unlawful interference with aviation.
Note 2 A defendant bears an evidential burden in relation to the matters in subregulations (3) and (4) (see subsection 13.3 (3) of the Criminal Code ).