30. (1) The Hearings Tribunal has exclusive jurisdiction to exercise the powers conferred upon it by or under this Act and to determine all questions of fact or law that arise in any matter before it and the action or decision of the Hearings Tribunal thereon is final and conclusive for all purposes.
Reconsideration of decisions, etc.
(2) The Hearings Tribunal may at any time, if it considers it advisable to do so, reconsider a decision or order made by it and vary or revoke the decision or order. R.S.O. 1990, c. P.7, s. 30.