# Article 31, paragraph (1), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-31/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 31, paragraph (1) (第三十一条第一項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 31, paragraph (1) (第三十一条第一項) — https://japanlaw.org/en/arbitration-act/art-31/par-1 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-31/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:

> 仲裁申立人（仲裁手続において、これを開始させるための行為をした当事者をいう。以下同じ。）は、仲裁廷が定めた期間内に、申立ての趣旨、申立ての根拠となる事実及び紛争の要点を陳述しなければならない。この場合において、仲裁申立人は、取り調べる必要があると思料するすべての証拠書類を提出し、又は提出予定の証拠書類その他の証拠を引用することができる。

English (Japanese Law Translation, Ministry of Justice):

> An arbitration petitioner (meaning a party that carried out acts to commence the arbitration procedure; the same applies hereinafter) must state the object of a petition, the facts supporting their petition and points of the dispute within the period determined by the arbitral tribunal. In this case, the arbitration petitioner may submit all documentary evidence they consider necessary to be examined or quote documentary evidence or other evidence they plan to submit.

## 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 33, paragraph (1) and reworded (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 仲裁申立人（仲裁手続において、これを開始させるための行為をした当事者をいう。以下同じ。）は、仲裁廷が定めた期間内に、申立ての趣旨、申立ての根拠となる事実及び紛争の要点を陳述しなければならない。この場合において、仲裁申立人は、取り調べる必要があると思料する全ての証拠書類を提出し、又は提出予定の証拠書類その他の証拠を引用することができる。

English (Machine translation, not official):

> An arbitration petitioner (meaning a party that carried out acts to commence the arbitration procedure; the same applies hereinafter) must state the object of a petition, the facts supporting their petition and points of the dispute within the period determined by the arbitral tribunal. In this case, the arbitration petitioner may submit all documentary evidence they consider necessary to be examined or quote documentary evidence or other evidence they plan to submit.

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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)