This Act comes into effect on the date of promulgation; provided, however, that the provisions of Articles 15 through 17 of the Supplementary Provisions, the provisions in Article 18 of the Supplementary Provisions deleting Articles 14-2 through 14-14 of the Cocoon and Raw Silk Price Stabilization Act, the provisions amending Article 18, item (ii) of that Act, and the provisions deleting Articles 20 through 22 of that Act (hereinafter referred to as the "provisions on the Japan Export Raw Silk Storage Company"), as well as the provisions of Article 19 and Articles 23 through 32 of the Supplementary Provisions, come into effect on the date specified by Cabinet Order within a period not exceeding six months from the date of promulgation, and the amending provisions in Article 18 of the Supplementary Provisions other than the provisions on the Japan Export Raw Silk Storage Company and the provisions of Articles 20 through 22 of the Supplementary Provisions come into effect on the date specified by Cabinet Order within a period exceeding six months but not exceeding nine months from the date of promulgation.