# Article 39, paragraph (1), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-39/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 39, paragraph (1) (第三十九条第一項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 39, paragraph (1) (第三十九条第一項) — https://japanlaw.org/en/arbitration-act/art-39/par-1 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-39/par-1)
- The law's amendments: https://japanlaw.org/en/arbitration-act/amendments
- 2 wordings, oldest first.

## 1. Before Act No. 53 of 2023

- State: In force

Japanese:

> 仲裁判断をするには、仲裁判断書を作成し、これに仲裁判断をした仲裁人が署名しなければならない。ただし、仲裁廷が合議体である場合には、仲裁廷を構成する仲裁人の過半数が署名し、かつ、他の仲裁人の署名がないことの理由を記載すれば足りる。

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

> For an arbitral award to be made, a written arbitral award must be prepared and signed by the arbitrators who have made the arbitral award; provided, however, that if the arbitral tribunal is a panel, it will be sufficient that the written arbitral award is signed by the majority of the arbitrators constituting the arbitral tribunal and states the reasons for the signatures of other arbitrators being omitted.

## 2. By 13 June 2028 — Act No. 53 of 2023

- State: Not yet in force
- Takes effect: By 13 June 2028
- The amendment: Moved to Article 41, paragraph (1); its words stay the same (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 仲裁判断をするには、仲裁判断書を作成し、これに仲裁判断をした仲裁人が署名しなければならない。ただし、仲裁廷が合議体である場合には、仲裁廷を構成する仲裁人の過半数が署名し、かつ、他の仲裁人の署名がないことの理由を記載すれば足りる。

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

> For an arbitral award to be made, a written arbitral award must be prepared and signed by the arbitrators who have made the arbitral award; provided, however, that if the arbitral tribunal is a panel, it will be sufficient that the written arbitral award is signed by the majority of the arbitrators constituting the arbitral tribunal and states the reasons for the signatures of other arbitrators being omitted.

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## Sources

- The dates and the amending laws: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/415AC0000000138)
- English name of the law: Japanese Law Translation, Ministry of Justice (https://www.japaneselawtranslation.go.jp/en/laws/view/4440/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/415AC0000000138/20260521_504AC0000000048)
- The Japanese text after: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/415AC0000000138/20280613_505AC0000000053)