(1)  A member of the Commission may perform or exercise, in the presence of –

(a) a member of an industrial tribunal of another State; and

(b) the parties to any proceedings before an industrial tribunal of another State; and

(c) any witness summoned by an industrial tribunal of another State –

any of the functions or powers that may be performed or exercised by the member of the Commission in relation to a matter.

(2)  Evidence may be given, and submissions made, jointly for the purposes of the proceedings before the Commission and the industrial tribunal of another State.