# Article 19, paragraph (4), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-19/par-4. 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 19, paragraph (4) (第十九条第四項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 19, paragraph (4) (第十九条第四項) — https://japanlaw.org/en/arbitration-act/art-19/par-4 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-19/par-4)
- 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:

> 前三項に規定する忌避の手続において仲裁人の忌避を理由がないとする決定がされた場合には、その忌避をした当事者は、当該決定の通知を受けた日から三十日以内に、裁判所に対し、当該仲裁人の忌避の申立てをすることができる。この場合において、裁判所は、当該仲裁人に忌避の原因があると認めるときは、忌避を理由があるとする決定をしなければならない。

English (Japanese Law Translation, Ministry of Justice):

> If a decision is made to the effect that the challenge of an arbitrator is groundless in the challenge procedure provided in the preceding three paragraphs, the party that challenged may file a petition for the challenge of the arbitrator with the court, within 30 days from the day of receipt of notice of the decision. In this case, if the court finds grounds for challenging the arbitrator, it must decide that the challenge is well-grounded.

## 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 21, paragraph (4); its words stay the same (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 前三項に規定する忌避の手続において仲裁人の忌避を理由がないとする決定がされた場合には、その忌避をした当事者は、当該決定の通知を受けた日から三十日以内に、裁判所に対し、当該仲裁人の忌避の申立てをすることができる。この場合において、裁判所は、当該仲裁人に忌避の原因があると認めるときは、忌避を理由があるとする決定をしなければならない。

English (Japanese Law Translation, Ministry of Justice):

> If a decision is made to the effect that the challenge of an arbitrator is groundless in the challenge procedure provided in the preceding three paragraphs, the party that challenged may file a petition for the challenge of the arbitrator with the court, within 30 days from the day of receipt of notice of the decision. In this case, if the court finds grounds for challenging the arbitrator, it must decide that the challenge is well-grounded.

---

## 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)