With regard to the application of the provisions of Article 68-3, paragraph (1) of the New Act on Special Measures Concerning Taxation in the case where a cooperative, etc. prescribed in Article 68-3 of the New Act on Special Measures Concerning Taxation has, in a business year beginning during the period from April 1, 1989 to March 31, 1990, an amount of income subject to the reduced tax rate prescribed in Article 42-2, paragraph (1) of the Former Act on Special Measures Concerning Taxation, which remains in force pursuant to the provisions of Article 68, paragraph (1) of the Supplementary Provisions, the phrase "), the amount of the portion exceeding" in that paragraph is deemed to be replaced with "; hereinafter referred to as the 'base income amount' in this paragraph), the amount of the portion exceeding (if there is an amount of income subject to the reduced tax rate prescribed in Article 42-2, paragraph (1) (Special Provisions on Corporation Tax Rates on Income Appropriated for Dividends, etc.) of the Act on Special Measures Concerning Taxation prior to the amendment by the provisions of Article 10 (Partial Amendment of the Act on Special Measures Concerning Taxation) of the Act Partially Amending the Income Tax Act, etc. (Act No. 109 of 1988), which remains in force pursuant to the provisions of Article 68, paragraph (1) (Transitional Measures Concerning Special Provisions on Corporation Tax Rates on Income Appropriated for Dividends, etc.) of the Supplementary Provisions of that Act, the amount of the portion exceeding the base income amount or that amount of income subject to the reduced tax rate, whichever is greater)".