# 刑事訴訟法 / Code of Criminal Procedure — 第四条 (Supplementary Provisions, Article 4)

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- Law: 刑事訴訟法 (Code of Criminal Procedure), 昭和二十三年法律第百三十一号
- English title "Code of Criminal Procedure": 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: 第四条 (Supplementary Provisions, Article 4)（秘匿措置に関する経過措置） — address `suppl-5051-28/art-4`
- Text in force since: 2026-10-20
- URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-4
- e-Gov law ID: 323AC0000000131 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page.
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- 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
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### 第四条（秘匿措置に関する経過措置） — Transitional Measures Concerning Concealment Measures
<sup>caption: machine translation, not official</sup>
<sup>suppl-5051-28/art-4 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-4</sup>

**第一項**  刑法の一部を改正する法律（平成二十九年法律第七十二号）附則第二条第一項の規定によりなお従前の例によることとされる場合における同法による改正前の刑法（以下「従前の例による平成二十九年改正前刑法」という。）第百七十八条の二の罪若しくはその未遂罪、従前の例による平成二十九年改正前刑法第百八十一条第三項の罪又は従前の例による平成二十九年改正前刑法第二百四十一条の罪若しくはその未遂罪に係る事件は、新刑事訴訟法第二百一条の二第一項及び第二項、第二百七条の二、第二百七条の三第一項（第一号イに係る部分に限る。）並びに第四百二十九条第三項の規定の適用については新刑事訴訟法第二百一条の二第一項第一号イに掲げる事件とみなし、新刑事訴訟法第二百七十一条の二第一項、第二百七十一条の五第一項（第一号イに係る部分に限る。）、第二百七十一条の六、第二百七十一条の八第一項及び第四項、第二百九十九条の四第二項、第四項、第七項及び第九項、第二百九十九条の五第二項（第二号イに係る部分に限る。）並びに第三百十二条の二第一項、同条第四項において読み替えて準用する新刑事訴訟法第二百七十一条の六第五項及び第二百七十一条の八第一項並びに新刑事訴訟法第四百六十八条第四項の規定の適用については新刑事訴訟法第二百七十一条の二第一項第一号イに掲げる事件とみなす。
<sup>suppl-5051-28/art-4/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-4/par-1</sup>
A case relating to the crime under Article 178-2 of the Penal Code prior to amendment by the Act Partially Amending the Penal Code (Act No. 72 of 2017) in the case where the provisions then in force continue to govern pursuant to Article 2, paragraph (1) of the Supplementary Provisions of that Act (hereinafter referred to as the "Pre-2017 Penal Code Applied under the Earlier Rules") or an attempt thereof, the crime under Article 181, paragraph (3) of the Pre-2017 Penal Code Applied under the Earlier Rules, or the crime under Article 241 of the Pre-2017 Penal Code Applied under the Earlier Rules or an attempt thereof is deemed to be a case set forth in Article 201-2, paragraph (1), item (i), (a) of the New Code of Criminal Procedure for the application of the provisions of Article 201-2, paragraphs (1) and (2), Article 207-2, Article 207-3, paragraph (1) (limited to the part concerning item (i), (a)) and Article 429, paragraph (3) of the New Code of Criminal Procedure, and is deemed to be a case set forth in Article 271-2, paragraph (1), item (i), (a) of the New Code of Criminal Procedure for the application of the provisions of Article 271-2, paragraph (1), Article 271-5, paragraph (1) (limited to the part concerning item (i), (a)), Article 271-6, Article 271-8, paragraphs (1) and (4), Article 299-4, paragraphs (2), (4), (7) and (9), Article 299-5, paragraph (2) (limited to the part concerning item (ii), (a)) and Article 312-2, paragraph (1), Article 271-6, paragraph (5) and Article 271-8, paragraph (1) of the New Code of Criminal Procedure as applied mutatis mutandis with the replacement of terms pursuant to Article 312-2, paragraph (4) of the New Code of Criminal Procedure, and Article 468, paragraph (4) of the New Code of Criminal Procedure.
<sup>machine translation, not official</sup>

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## Cites
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第二百一条の二第一項 → 刑事訴訟法 第二百一条の二第一項 (Article 201-2, paragraph (1)), art-201-2/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-201-2/par-1
- suppl-5051-28/art-4/par-1: 第二項 → 刑事訴訟法 第二百一条の二第二項 (Article 201-2, paragraph (2)), art-201-2/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-201-2/par-2
- suppl-5051-28/art-4/par-1: 第二百七条の二 → 刑事訴訟法 第二百七条の二 (Article 207-2), art-207-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-207-2
- suppl-5051-28/art-4/par-1: 第二百七条の三第一項 → 刑事訴訟法 第二百七条の三第一項 (Article 207-3, paragraph (1)), art-207-3/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-207-3/par-1
- suppl-5051-28/art-4/par-1: 第一号 → 刑事訴訟法 第二百七条の三第一項第一号 (Article 207-3, paragraph (1), item (i)), art-207-3/par-1/item-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-207-3/par-1/item-1
- suppl-5051-28/art-4/par-1: 第四百二十九条第三項 → 刑事訴訟法 第四百二十九条第三項 (Article 429, paragraph (3)), art-429/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-429/par-3
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第二百一条の二第一項第一号 → 刑事訴訟法 第二百一条の二第一項第一号 (Article 201-2, paragraph (1), item (i)), art-201-2/par-1/item-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-201-2/par-1/item-1
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第二百七十一条の二第一項 → 刑事訴訟法 第二百七十一条の二第一項 (Article 271-2, paragraph (1)), art-271-2/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-2/par-1
- suppl-5051-28/art-4/par-1: 第二百七十一条の五第一項 → 刑事訴訟法 第二百七十一条の五第一項 (Article 271-5, paragraph (1)), art-271-5/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-5/par-1
- suppl-5051-28/art-4/par-1: 第一号 → 刑事訴訟法 第二百七十一条の五第一項第一号 (Article 271-5, paragraph (1), item (i)), art-271-5/par-1/item-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-5/par-1/item-1
- suppl-5051-28/art-4/par-1: 第二百七十一条の六 → 刑事訴訟法 第二百七十一条の六 (Article 271-6), art-271-6 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-6
- suppl-5051-28/art-4/par-1: 第二百七十一条の八第一項 → 刑事訴訟法 第二百七十一条の八第一項 (Article 271-8, paragraph (1)), art-271-8/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-8/par-1
- suppl-5051-28/art-4/par-1: 第四項 → 刑事訴訟法 第二百七十一条の八第四項 (Article 271-8, paragraph (4)), art-271-8/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-8/par-4
- suppl-5051-28/art-4/par-1: 第二百九十九条の四第二項 → 刑事訴訟法 第二百九十九条の四第二項 (Article 299-4, paragraph (2)), art-299-4/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-2
- suppl-5051-28/art-4/par-1: 第四項 → 刑事訴訟法 第二百九十九条の四第四項 (Article 299-4, paragraph (4)), art-299-4/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-4
- suppl-5051-28/art-4/par-1: 第七項 → 刑事訴訟法 第二百九十九条の四第七項 (Article 299-4, paragraph (7)), art-299-4/par-7 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-7
- suppl-5051-28/art-4/par-1: 第九項 → 刑事訴訟法 第二百九十九条の四第九項 (Article 299-4, paragraph (9)), art-299-4/par-9 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-9
- suppl-5051-28/art-4/par-1: 第二百九十九条の五第二項 → 刑事訴訟法 第二百九十九条の五第二項 (Article 299-5, paragraph (2)), art-299-5/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-5/par-2
- suppl-5051-28/art-4/par-1: 第二号 → 刑事訴訟法 第二百九十九条の五第二項第二号 (Article 299-5, paragraph (2), item (ii)), art-299-5/par-2/item-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-5/par-2/item-2
- suppl-5051-28/art-4/par-1: 第三百十二条の二第一項 → 刑事訴訟法 第三百十二条の二第一項 (Article 312-2, paragraph (1)), art-312-2/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312-2/par-1
- suppl-5051-28/art-4/par-1: 同条第四項 → 刑事訴訟法 第三百十二条の二第四項 (Article 312-2, paragraph (4)), art-312-2/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312-2/par-4
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第二百七十一条の六第五項 → 刑事訴訟法 第二百七十一条の六第五項 (Article 271-6, paragraph (5)), art-271-6/par-5 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-6/par-5
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第四百六十八条第四項 → 刑事訴訟法 第四百六十八条第四項 (Article 468, paragraph (4)), art-468/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-468/par-4
- suppl-5051-28/art-4/par-1: 新刑事訴訟法第二百七十一条の二第一項第一号 → 刑事訴訟法 第二百七十一条の二第一項第一号 (Article 271-2, paragraph (1), item (i)), art-271-2/par-1/item-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-271-2/par-1/item-1

## Cited by

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

- 刑事訴訟法 附則第一条第一項第四号（施行期日） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-1/par-1/item-4

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 刑事訴訟法 — the text in force from 2026-10-20 (https://laws.e-gov.go.jp/law/323AC0000000131/20261020_508AC0000000067), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- claude-sonnet-5-5 — Machine translation, batch code-of-criminal-procedure-20261106T054114-024, translated 2026-11-06
- This site's parser, version 225 — 刑事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-11-06