Supplementary Provisions, Article 54Principles for Transitional Measures Concerning Special Provisions on Income Tax Accompanying the Partial Amendment of the Act on Special Measures Concerning Taxation
第五十四条(租税特別措置法の一部改正に伴う所得税の特例に関する経過措置の原則)
Except as otherwise provided, the provisions of Chapter II of the Act on Special Measures Concerning Taxation as amended by the provisions of Article 15 (hereinafter referred to as "the New Act on Special Measures Concerning Taxation") apply to income tax for 2020 and subsequent years, and the provisions then in force continue to govern income tax for 2019 and prior years.
別段の定めがあるものを除き、第十五条の規定による改正後の租税特別措置法(以下「新租税特別措置法」という。)第二章の規定は、令和二年分以後の所得税について適用し、令和元年分以前の所得税については、なお従前の例による。