No appeal or application may be made to the Tribunal by a person to whom subsection (2) applies in respect of an order or decision made, or direction given, by the Commission in accordance with section 327(3).

This subsection applies to a person who was at any stage a party to the proceedings in which the question referred to the Tribunal was decided.

Any enactment (including one contained in this Act) which provides for an appeal or application to be made to the Tribunal has effect subject to subsection (1).