The powers conferred by this Act may be exercised only:
(a) for purposes related to trade or commerce with other countries;
(b) for purposes related to trade or commerce among the States, between a State and a Territory or between 2 Territories;
(c) in relation to substances situated in or recovered from, or things done or proposed to be done in or in connection with, the Ranger Project Area;
(d) in relation to substances situated in or recovered from, or things done or proposed to be done in or in connection with, a Territory; or
(e) for other purposes of the Commonwealth not being purposes related to the defence of the Commonwealth.