# Article 30, paragraph (2), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-30/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 30, paragraph (2) (第三十条第二項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 30, paragraph (2) (第三十条第二項) — https://japanlaw.org/en/arbitration-act/art-30/par-2 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-30/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:

> 前項の合意がないときは、仲裁廷が、仲裁手続において使用する言語及びその言語を使用して行うべき手続を定める。

English (Japanese Law Translation, Ministry of Justice):

> If an agreement referred to in the preceding paragraph has not been reached, the arbitral tribunal determines the languages to be used in the arbitration procedure and the procedures to be carried out by using those languages.

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

Japanese:

> 前項の合意がないときは、仲裁廷が、仲裁手続において使用する言語及びその言語を使用して行うべき手続を定める。

English (Japanese Law Translation, Ministry of Justice):

> If an agreement referred to in the preceding paragraph has not been reached, the arbitral tribunal determines the languages to be used in the arbitration procedure and the procedures to be carried out by using those languages.

---

## 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)