(b) a decision to which this Part applies has been:
(ii) the decision has been affirmed, varied or set aside;
(2) For the purposes of subsection (1), the decision made by the Secretary, the * CEO or the * authorised review officer is taken to be:
(b) if the Secretary, the CEO or the authorised review officer varies a decision--the decision as varied; and
(c) if the Secretary, the CEO or the authorised review officer sets a decision aside and substitutes a new decision--the new decision.