(1) This Part applies in relation to a proceeding before the Tribunal under power conferred on it by or under:
(a) an Act or an instrument made under an Act; or
(b) a law of a State, the Australian Capital Territory or the Northern Territory.
(2) This Part has effect in relation to a proceeding before the Tribunal under power conferred on it by or under a law of a State, the Australian Capital Territory or the Northern Territory as if a reference in this Part to a provision of this Act that is not in this Part were a reference to that provision as applying as a law of the State or Territory.