①This Act comes into effect on April 1, 1971.

②The provisions of Article 2, item (xviii) (Definition of Amount of Retained Earnings) (limited to the part concerning penalty tax) of the Corporation Tax Act after the amendment (hereinafter referred to as "the New Act") apply to penalty tax imposed on corporation tax on income for a business year of a corporation (including an association or foundation without juridical personality prescribed in item (viii) of that Article; the same applies hereinafter) ending on or after the date on which this Act comes into effect (hereinafter referred to as "the Effective Date") and corporation tax on retirement pension funds, and on corporation tax on liquidation income due to a dissolution or merger on or after that date (including corporation tax on income for a business year in liquidation of a corporation subject to corporation tax on liquidation income and corporation tax to be paid upon a partial distribution of residual assets; the same applies hereinafter), and with regard to penalty tax imposed on corporation tax on income for a business year of a corporation that ended before that date and corporation tax on retirement pension funds, and on corporation tax on liquidation income due to a dissolution or merger before that date, the provisions then in force continue to govern.

③The provisions of Article 37, paragraph (3) of the New Act (Special Provisions on Exclusion of Donations from Deductible Expenses) apply to the amount of donations paid by a corporation on or after the Effective Date, and with regard to the amount of donations paid by a corporation before that date, the provisions then in force continue to govern.

④The provisions of Article 50, paragraph (1) of the New Act (Inclusion in Deductible Expenses of the Depreciated Amount of Assets Acquired through Exchange) apply to corporation tax on income for a business year of a corporation beginning on or after the Effective Date, and with regard to corporation tax on income for a business year of a corporation that began before that date, the provisions then in force continue to govern.

⑤The provisions of Article 56-2 of the New Act (Reserve for Product Warranties, etc.) apply to corporation tax on income for a business year of a corporation beginning on or after the Effective Date and corporation tax on liquidation income due to a dissolution or merger on or after that date, and with regard to corporation tax on income for a business year of a corporation that began before that date and corporation tax on liquidation income due to a dissolution or merger before that date, the provisions then in force continue to govern.

⑥The provisions of Article 79, paragraph (3) (Refund of Income Tax) and Article 133, paragraph (3) (Refund of Income Tax by Reassessment Related to Final Returns) of the New Act apply to cases where the appropriation prescribed in those provisions is made on or after the Effective Date.

⑦The provisions of Part III of the New Act (Tax Liability of Foreign Corporations) pertaining to the royalties or consideration listed in Article 138, item (vii), (b) of the New Act (Domestic Source Income) apply to such royalties or consideration that a foreign corporation is to receive on or after the Effective Date, and with regard to such royalties or consideration that a foreign corporation was to receive before that date, the provisions then in force continue to govern.

⑧The provisions of Article 152 of the New Act (Public Notice of Returns) apply to returns pertaining to corporation tax filed on or after the Effective Date, and with regard to returns pertaining to corporation tax filed before that date, the provisions then in force continue to govern.