# 租税特別措置法 / Act on Special Measures Concerning Taxation — 第九条 (Supplementary Provisions, Article 9) - Law: 租税特別措置法 (Act on Special Measures Concerning Taxation), 昭和三十二年法律第二十六号 - English title "Act on Special Measures Concerning Taxation": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第九条 (Supplementary Provisions, Article 9)（法人税の特例に関する経過措置の原則） — address `suppl-3511-5/art-9` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/special-taxation-measures-act/suppl-3511-5/art-9 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/332AC0000000026/suppl-3511-5/art-9 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第九条（法人税の特例に関する経過措置の原則） — Principle for Transitional Measures Concerning Special Provisions on Corporation Tax caption: machine translation, not official suppl-3511-5/art-9 · https://japanlaw.org/ja/special-taxation-measures-act/suppl-3511-5/art-9 · https://japanlaw.org/l/332AC0000000026/suppl-3511-5/art-9 **第一項** 新法第三章の規定は、別段の定めがあるものを除くほか、法人（法人税法（昭和四十年法律第三十四号）第二条第八号に規定する人格のない社団等を含む。以下同じ。）の施行日以後に開始する事業年度分の法人税について適用し、法人の施行日前に開始した事業年度分の法人税については、なお従前の例による。 suppl-3511-5/art-9/par-1 · https://japanlaw.org/ja/special-taxation-measures-act/suppl-3511-5/art-9/par-1 · https://japanlaw.org/l/332AC0000000026/suppl-3511-5/art-9/par-1 Unless otherwise provided, the provisions of Chapter III of the New Act apply to corporation tax for business years of corporations (including associations or foundations without juridical personality prescribed in Article 2, item (viii) of the Corporation Tax Act (Act No. 34 of 1965); the same applies hereinafter) commencing on or after the Effective Date, and with regard to corporation tax for business years of corporations that commenced before the Effective Date, the provisions then in force continue to govern. machine translation, not official --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 租税特別措置法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/332AC0000000026/20261001_508AC0000000012), retrieved 2026-10-07 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Special Measures Concerning Taxation — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3132/tb), retrieved 2026-10-07 - claude-opus-5-5 — Machine translation, batch special-taxation-measures-act-20261007T211206-295, translated 2026-10-08 - This site's parser, version 165 — 租税特別措置法 — structure, counts, cross-references and defined terms, computed 2026-10-07