205   Joint proceedings

(1)  A member of the State Commission may exercise, in the presence of:

(a)  a member of the Federal Commission, and

(b)  the parties to any proceedings before the Federal Commission, and

(c)  any witness summoned by the Federal Commission,

      any of the functions that are exercisable by the member of the State Commission in relation to a matter.

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