The Minister may exercise a power or perform a function conferred on the Minister by section 12 only:
(a) with respect to the implied power of the Parliament to make laws with respect to nationhood; or
(b) otherwise with respect to the executive power of the Commonwealth; or
(c) with respect to trade or commerce:
(i) between Australia and places outside Australia; or
(ii) among the States; or
(iii) within a Territory, between a State and a Territory or between 2 Territories; or
(d) with respect to banking (other than State banking not extending beyond the limits of the State concerned).