# Article 87, paragraph (1), its wordings — Code of Criminal Procedure

This is the Markdown twin of https://japanlaw.org/en/code-of-criminal-procedure/history/art-87/par-1. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp.

How the wording of Article 87, paragraph (1) (第八十七条第一項) changed with each amendment, and how it will change.

- Law: Code of Criminal Procedure (刑事訴訟法) — https://japanlaw.org/en/code-of-criminal-procedure
- Provision: Article 87, paragraph (1) (第八十七条第一項) — https://japanlaw.org/en/code-of-criminal-procedure/art-87/par-1 (as Markdown: https://japanlaw.org/md/en/code-of-criminal-procedure/art-87/par-1)
- The law's amendments: https://japanlaw.org/en/code-of-criminal-procedure/amendments
- 2 wordings, oldest first.

## 1. Before Act No. 46 of 2026

- State: In force

Japanese:

> 勾留の理由又は勾留の必要がなくなつたときは、裁判所は、検察官、勾留されている被告人若しくはその弁護人、法定代理人、保佐人、配偶者、直系の親族若しくは兄弟姉妹の請求により、又は職権で、決定を以て勾留を取り消さなければならない。

English (Written for this site with AI, correcting the Ministry of Justice's English):

> When the grounds for or necessity of detention no longer exist, the court must, upon the request of a public prosecutor, the defendant under detention, the defense counsel of the defendant, legal representative, curator, spouse, lineal relative or sibling or ex officio, make a ruling to rescind the detention.

## 2. Date not yet set — Act No. 46 of 2026

- State: Not yet in force
- Takes effect: Date not yet set
- The amendment: Reworded (Act No. 46 of 2026) — https://japanlaw.org/en/code-of-criminal-procedure/amendments/20281223_508AC0000000046

Japanese:

> 勾留の理由又は勾留の必要がなくなつたときは、裁判所は、検察官、勾留されている被告人若しくはその弁護人、法定代理人、補助人、配偶者、直系の親族若しくは兄弟姉妹の請求により、又は職権で、決定で、勾留を取り消さなければならない。

English (Machine translation, not official):

> When the grounds for or necessity of detention no longer exist, the court must, upon the request of a public prosecutor, the defendant under detention, the defense counsel of the defendant, legal representative, assistant, spouse, lineal relative or sibling or ex officio, make a ruling to rescind the detention.

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## Sources

- The dates and the amending laws: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/323AC0000000131)
- English name of the law: Japanese Law Translation, Ministry of Justice (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb)
- English titles of the amending laws: Written for this site with AI
- The Japanese text before: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/323AC0000000131/20280516_505AC0000000028)
- The Japanese text after: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/323AC0000000131/20281223_508AC0000000046)