# 所得税法施行令 / Order for Enforcement of the Income Tax Act — 第四条 (Supplementary Provisions, Article 4)

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- Law: 所得税法施行令 (Order for Enforcement of the Income Tax Act), 昭和四十年政令第九十六号
- English title "Order for Enforcement of the Income Tax Act": Ministry of Justice translation
- Kind: CabinetOrder — 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: 第四条 (Supplementary Provisions, Article 4)（退職所得控除額の計算の特例に関する経過措置） — address `suppl-5072-120/art-4`
- Text in force since: 2026-05-22
- URL (the page that opens at this provision): https://japanlaw.org/ja/income-tax-act-enforcement-order/suppl-5072-120/art-4
- e-Gov law ID: 340CO0000000096 — 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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### 第四条（退職所得控除額の計算の特例に関する経過措置） — Transitional Measures Concerning Special Provisions on the Calculation of the Retirement Income Deduction
<sup>caption: machine translation, not official</sup>
<sup>suppl-5072-120/art-4 · https://japanlaw.org/ja/income-tax-act-enforcement-order/suppl-5072-120/art-4</sup>

**第一項**  新令第七十条第一項（第二号に係る部分に限る。）の規定は、令和八年分以後の所得税について適用し、令和七年分以前の所得税については、なお従前の例による。
<sup>suppl-5072-120/art-4/par-1 · https://japanlaw.org/ja/income-tax-act-enforcement-order/suppl-5072-120/art-4/par-1</sup>
The provisions of Article 70, paragraph (1) (limited to the portion pertaining to item (ii)) of the New Order apply to the income tax for 2026 and subsequent years, and the provisions then in force continue to govern the income tax for 2025 and earlier years.
<sup>machine translation, not official</sup>

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## Cites
- suppl-5072-120/art-4/par-1: 新令第七十条第一項 → 所得税法施行令 第七十条第一項 (Article 70, paragraph (1)), art-70/par-1 — https://japanlaw.org/ja/income-tax-act-enforcement-order/art-70/par-1
- suppl-5072-120/art-4/par-1: 第二号 → 所得税法施行令 第七十条第一項第二号 (Article 70, paragraph (1), item (ii)), art-70/par-1/item-2 — https://japanlaw.org/ja/income-tax-act-enforcement-order/art-70/par-1/item-2

## Cited by

1 provision cites this one. No official source publishes this direction.

- 所得税法施行令 附則第一条第一項第二号（施行期日） — https://japanlaw.org/ja/income-tax-act-enforcement-order/suppl-5072-120/art-1/par-1/item-2

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 所得税法施行令 — the text in force from 2026-05-22 (https://laws.e-gov.go.jp/law/340CO0000000096/20260522_508CO0000000093), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Order for Enforcement of the Income Tax Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3121/tb), retrieved 2026-11-06
- claude-sonnet-5-5 — Machine translation, batch income-tax-act-enforcement-order-20261106T163957-120, translated 2026-11-07
- claude-sonnet-5-5 — Machine translation, batch income-tax-act-enforcement-order-20261106T163957-170, translated 2026-11-07
- This site's parser, version 229 — 所得税法施行令 — structure, counts, cross-references and defined terms, computed 2026-11-06
