# 租税特別措置法 / Act on Special Measures Concerning Taxation — 附　則 (Supplementary Provisions)

- 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: 附　則 (Supplementary Provisions) — address `suppl-4091-50`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/special-taxation-measures-act/suppl-4091-50
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/332AC0000000026/suppl-4091-50
- 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.

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## 附　則 平成九年五月九日法律第五〇号
<sup>suppl-4091-50 · https://japanlaw.org/en/special-taxation-measures-act/suppl-4091-50 · https://japanlaw.org/l/332AC0000000026/suppl-4091-50</sup>

**第一項**  この法律は、密集市街地における防災街区の整備の促進に関する法律（平成九年法律第四十九号）の施行の日から施行する。
<sup>suppl-4091-50/par-1 · https://japanlaw.org/en/special-taxation-measures-act/suppl-4091-50/par-1 · https://japanlaw.org/l/332AC0000000026/suppl-4091-50/par-1</sup>
This Act comes into effect on the date on which the Act on Promotion of Improvement of Disaster Control Districts in Populated Urban Districts (Act No. 49 of 1997) comes into effect.
<sup>machine translation, not official</sup>

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## 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-20261007T211206-386, 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