(1) If:
(a) on AAT first review of a decision, the AAT sets the decision aside; and
(b) the Secretary or the AAT, as the case may be, is satisfied that an event that did not occur would have occurred if the decision had not been made;
the Secretary or the AAT may, if satisfied that it is reasonable to do so, treat the event as having occurred for the purposes of the social security law.
(2) If:
(a) on AAT second review of a decision, the AAT sets the decision aside; and
(b) the Secretary is satisfied that an event that did not occur would have occurred if the decision had not been made;
the Secretary may, if satisfied that it is reasonable to do so, treat the event as having occurred for the purposes of the social security law.