# Article 51, paragraph (1), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/art-51/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 51, paragraph (1) (第五十一条第一項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Article 51, paragraph (1) (第五十一条第一項) — https://japanlaw.org/en/arbitration-act/art-51/par-1 (as Markdown: https://japanlaw.org/md/en/arbitration-act/art-51/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:

> 仲裁廷は、当事者間に別段の合意がない限り、仲裁手続の費用の概算額として仲裁廷の定める金額について、相当の期間を定めて、当事者に予納を命ずることができる。

English (Japanese Law Translation, Ministry of Justice):

> An arbitral tribunal may provide a reasonable period and order the parties to prepay the amount provided by the arbitral tribunal as the estimated amount of the expenses for the arbitration procedure, unless otherwise agreed by the parties.

## 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 53, paragraph (1); its words stay the same (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 仲裁廷は、当事者間に別段の合意がない限り、仲裁手続の費用の概算額として仲裁廷の定める金額について、相当の期間を定めて、当事者に予納を命ずることができる。

English (Japanese Law Translation, Ministry of Justice):

> An arbitral tribunal may provide a reasonable period and order the parties to prepay the amount provided by the arbitral tribunal as the estimated amount of the expenses for the arbitration procedure, unless otherwise agreed by the parties.

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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)