General rule
(1) After an application is made to the Tribunal for review of a reviewable decision, the decision may not be altered otherwise than by the Tribunal.
Exceptions
(2) However, the decision may be altered if:
(a) both of the following apply:
(i) the parties to the proceeding for the review consent to the alteration;
(ii) the Tribunal, by order, consents to the alteration; or
(b) the decision is remitted to the decision - maker under section 85.
(3) In this section:
"alter" a decision means:
(a) vary the decision; or
(b) set the decision aside; or
(c) set the decision aside and make a decision in substitution for the decision.