If the regulations prescribe modifications of this Act for its application in relation to all or part of any one or more of the following areas:
(a) all the waters of the sea on the landward side of the outer limits of the territorial sea of Australia, including:
(i) such waters within the limits of a State or Territory; and
(ii) the airspace over, and the seabed and sub-soil beneath, such waters;
(b) the Territory of Christmas Island;
(c) the Territory of Cocos (Keeling) Islands;
then this Act has effect as so modified in relation to any such area or part.
Note: This Act would, in the absence of any such regulations, apply in relation to these areas in the same way as it applies in relation to the rest of Australia.