(1) In this section—
"costs of proceedings" means costs of, or incidental to, any proceedings of the Tribunal, other than the costs of a party.
(2) The Tribunal may order that all or any of the costs of proceedings be paid by a party.
(3) If the matter that is the subject of the proceeding comes within the Tribunal's review jurisdiction, the Tribunal cannot make an order under this section against a party unless—
(a) the party brought or conducted the proceedings frivolously or vexatiously; or
(b) the Tribunal is acting in prescribed circumstances.