(1) Unless sooner suspended or cancelled, an aircraft welding authority remains in force:
(a) for the period specified in it; or
(b) if it has been renewed--until the end of the last period of renewal.
(2) If an aircraft welding authority is cancelled, its holder must return it to CASA within 7 days after the cancellation.
(3) An offence against subregulation (2) is an offence of strict liability.
Note: For strict liability , see section 6.1 of the Criminal Code .
(4) It is a defence to a prosecution under subregulation (2) if the defendant returned the aircraft welding authority to CASA as soon as practicable.
Note: A defendant bears an evidential burden in relation to the matter in subregulation (4) (see subsection 13.3(3) of the Criminal Code ).