(1)  Subject to subsection (3) , the Commission may perform such functions and exercise such powers as may be imposed or conferred on it under the industrial law of another State.

(2)  However, the performance of any such function or the exercise of any such power by the Commission is taken, for the purposes of this Act, not to be the performance of a function or the exercise of a power under this Act.

(3)  Subsection (1) does not extend to any function or power, or class of functions or powers, imposed or conferred under the industrial law of another State, that is excluded by the regulations.