Commonwealth Numbered Regulations

1997 No. 13 AIRPORTS (ENVIRONMENT PROTECTION) REGULATIONS - REG 11.01

11.01. (1) An action that, under these Regulations would constitute an
offence, does not constitute the offence if the action:

   (a)  is commenced before these Regulations commence; and

   (b)  is one that in all other respects is a lawful action.

(2) Subregulation (1) does not apply to an action if, after these Regulations
commence:

   (a)  the character, or the environmental consequence, of the action
        significantly changes and no authorisation is obtained under these
        Regulations in relation to the change; or

   (b)  the action continues for a period longer than 6 months.