With regard to the filing of an action for revocation of a disposition or other act against which an objection was filed under the provisions of laws prior to the amendment by the provisions of this Act (including the cases where the provisions then in force continue to govern pursuant to the provisions of the preceding Article), and for which, under the provisions of laws as amended by the provisions of this Act, an action for revocation may not be filed until after a ruling on a request for review has been made, the provisions then in force continue to govern.