A disposition, procedure, or other act conducted pursuant to the provisions of the respective Acts prior to amendment (including orders based on them; the same applies hereinafter in this Article) before this Act (or, for the provisions of the proviso to Article 1 of the Supplementary Provisions, those provisions) comes into effect, for which there are corresponding provisions in the provisions of the respective Acts as amended, is deemed to have been conducted pursuant to the corresponding provisions of the respective Acts as amended, except as otherwise provided in these Supplementary Provisions.