(a) a decision or action is taken or another thing is made, given or done; and
(b) the thing is taken, made, given or done under a provision of a
Part 2 Act that had effect immediately before the commencement of
this Act;
then the thing has the corresponding effect, for the purposes of the Part 2 Act as amended by this Act, as if it had been taken, made, given or done under the Part 2 Act as so amended.