# Article 13, paragraph (2), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-13/par-2. 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 13, paragraph (2) (第十三条第二項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 13, paragraph (2) (第十三条第二項) — https://japanlaw.org/en/arbitration-act/art-13/par-2 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-13/par-2)
- 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:

> 仲裁合意は、当事者の全部が署名した文書、当事者が交換した書簡又は電報（ファクシミリ装置その他の隔地者間の通信手段で文字による通信内容の記録が受信者に提供されるものを用いて送信されたものを含む。）その他の書面によってしなければならない。

English (Japanese Law Translation, Ministry of Justice):

> An arbitration agreement must be in writing, such as in the form of a document signed by all the parties, letters or telegrams exchanged between the parties (including those sent by facsimile device or other communication measures for parties at a distance which provides the recipient with a written record of the communicated content), or other documents.

## 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 15, paragraph (2); its words stay the same (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 仲裁合意は、当事者の全部が署名した文書、当事者が交換した書簡又は電報（ファクシミリ装置その他の隔地者間の通信手段で文字による通信内容の記録が受信者に提供されるものを用いて送信されたものを含む。）その他の書面によってしなければならない。

English (Japanese Law Translation, Ministry of Justice):

> An arbitration agreement must be in writing, such as in the form of a document signed by all the parties, letters or telegrams exchanged between the parties (including those sent by facsimile device or other communication measures for parties at a distance which provides the recipient with a written record of the communicated content), or other documents.

---

## 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)
