# Supplementary Provisions, Article 7, paragraph (1), its wordings — Arbitration Act

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/history/suppl-4151-138/art-7/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 Supplementary Provisions, Article 7, paragraph (1) (附則第七条第一項) changed with each amendment, and how it will change.

- Law: Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
- Provision: Supplementary Provisions, Article 7, paragraph (1) (附則第七条第一項) — https://japanlaw.org/en/arbitration-act/suppl-4151-138/art-7/par-1 (as Markdown: https://japanlaw.org/md/en/arbitration-act/suppl-4151-138/art-7/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:

> 前二条に定めるもののほか、当事者が、この法律の施行前に、仲裁廷が構成されたこと及び仲裁人に第十八条第一項各号に掲げる事由のいずれかがあることを知った場合における第十九条第三項の規定の適用については、同項中「仲裁廷が構成されたことを知った日又は前条第一項各号に掲げる事由のいずれかがあることを知った日のいずれか遅い日」とあるのは、「この法律の施行の日」とする。

English (Machine translation, not official):

> In addition to what is provided for in the preceding two Articles, if a party became aware, before this Act comes into effect, that the arbitral tribunal had been organized and that there was any of the grounds referred to in the items of Article 18, paragraph (1) with respect to the arbitrator, then with regard to the application of the provisions of Article 19, paragraph (3), the phrase "the day on which they became aware that the arbitral tribunal had been organized or the day on which they became aware of the existence of any grounds referred to in the items of paragraph (1) of the preceding Article, whichever comes later" in that paragraph is deemed to be replaced with "the day on which this Act comes into effect".

## 2. By 13 June 2028 — Act No. 53 of 2023

- State: Not yet in force
- Takes effect: By 13 June 2028
- The amendment: Reworded (Act No. 53 of 2023) — https://japanlaw.org/en/arbitration-act/amendments/20280613_505AC0000000053

Japanese:

> 前二条に定めるもののほか、当事者が、この法律の施行前に、仲裁廷が構成されたこと及び仲裁人に第二十条第一項各号に掲げる事由のいずれかがあることを知った場合における第二十一条第三項の規定の適用については、同項中「仲裁廷が構成されたことを知った日又は前条第一項各号に掲げる事由のいずれかがあることを知った日のいずれか遅い日」とあるのは、「この法律の施行の日」とする。

English (Machine translation, not official):

> In addition to what is provided for in the preceding two Articles, if a party became aware, before this Act comes into effect, that the arbitral tribunal had been organized and that there was any of the grounds referred to in the items of Article 20, paragraph (1) with respect to the arbitrator, then with regard to the application of the provisions of Article 21, paragraph (3), the phrase "the day on which they became aware that the arbitral tribunal had been organized or the day on which they became aware of the existence of any grounds referred to in the items of paragraph (1) of the preceding Article, whichever comes later" in that paragraph is deemed to be replaced with "the day on which this Act comes into effect".

---

## 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)
