Article 2. The provisions of all laws and orders issued on the basis of said laws, which are actually in effect at the time of enforcement of this law and are contrary to the provisions of the Antimonopoly Law, shall become null and void;provided that the foregoing shall not apply to the provisions of such laws or orders based on said laws issued on the basis of such laws as listed in Item 1 and Item 6 to Item 8 inclusive of the preceding article and, for the period of time until October 31st, 1947, to these of such laws or orders based on said laws issued on the basis of such laws as listed in Item 2 to Item 5 inclusive of the preceding article.