# 所得税法 / Income Tax Act — 第八条 (Supplementary Provisions, Article 8)

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- Law: 所得税法 (Income Tax Act), 昭和四十年法律第三十三号
- English title "Income Tax Act": 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: 第八条 (Supplementary Provisions, Article 8)（更正の請求に関する経過規定） — address `suppl-3411-31/art-8`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/income-tax-act/suppl-3411-31/art-8
- e-Gov law ID: 340AC0000000033 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page.
- Every provision below carries its address and its URL 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.

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### 第八条（更正の請求に関する経過規定） — Transitional Provisions Concerning Requests for Reassessment
<sup>caption: machine translation, not official</sup>
<sup>suppl-3411-31/art-8 · https://japanlaw.org/ja/income-tax-act/suppl-3411-31/art-8</sup>

**第一項**  新法第百五十二条（各種所得の金額に異動を生じた場合の更正の請求の特例）及び第百五十三条（前年分の所得税額等の更正等に伴う更正の請求の特例）（これらの規定を新法第百六十七条（非居住者に対する準用）において準用する場合を含む。）の規定は、施行日以後にこれらの規定に該当する事実が生じた場合について適用し、同日前に当該事実が生じた場合については、なお従前の例による。
<sup>suppl-3411-31/art-8/par-1 · https://japanlaw.org/ja/income-tax-act/suppl-3411-31/art-8/par-1</sup>
Article 152 (Special Provisions on Requests for Reassessment If Income in Each Class Changes) and Article 153 (Special Provisions on Requests for Reassessment Accompanying Reassessment of a Previous Year's Income Tax and Similar Actions) (including as applied mutatis mutandis pursuant to Article 167 (Application Mutatis Mutandis to Nonresidents) of the New Act) of the New Act apply where facts falling under those provisions arise on or after the Effective Date, and the provisions then in force continue to govern where such facts arose before that date.
<sup>machine translation, not official</sup>

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## Cites
- suppl-3411-31/art-8/par-1: 新法第百五十二条 → 所得税法 第百五十二条 (Article 152), art-152 — https://japanlaw.org/ja/income-tax-act/art-152
- suppl-3411-31/art-8/par-1: 第百五十三条 → 所得税法 第百五十三条 (Article 153), art-153 — https://japanlaw.org/ja/income-tax-act/art-153
- suppl-3411-31/art-8/par-1: 新法第百六十七条 → 所得税法 第百六十七条 (Article 167), art-167 — https://japanlaw.org/ja/income-tax-act/art-167

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 所得税法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/340AC0000000033/20261001_507AC0000000070), retrieved 2026-10-05
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Income Tax Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3120/tb), retrieved 2026-09-18
- claude-opus-5[1m] — Machine translation, batch income-tax-act-20260918T180319-048, translated 2026-09-18
- This site's parser, version 225 — 所得税法 — structure, counts, cross-references and defined terms, computed 2026-10-05
