(1) This section applies if:
(a) a decision is made under a provision of this Act; and
(b) the decision was based on, or took account of, information that was false or misleading in a material particular.
Note: A reference to this Act includes the regulations (see section 6).
(2) Despite anything in this Act:
(a) the decision may be set aside and a new decision made under the provision; and
(b) the new decision may take effect from any day determined by the person making the decision (including a day that is earlier than the day the original decision was made).