# 仲裁法 / Arbitration Act — 第四十五条 (Article 45)

This is the Markdown twin of https://japanlaw.org/ja/arbitration-act/art-45. 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.

- Law: 仲裁法 (Arbitration Act), 平成十五年法律第百三十八号
- English title "Arbitration Act": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第四十五条 (Article 45)（仲裁判断の承認） — address `art-45`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/arbitration-act/art-45
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000138/art-45
- Every provision below carries its address and both URLs on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

---

### 第四十五条（仲裁判断の承認） — (Recognition of Arbitral Award)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-45 · https://japanlaw.org/ja/arbitration-act/art-45 · https://japanlaw.org/l/415AC0000000138/art-45</sup>

**第一項**  仲裁判断（仲裁地が日本国内にあるかどうかを問わない。以下この章において同じ。）は、確定判決と同一の効力を有する。ただし、当該仲裁判断に基づく民事執行をするには、次条の規定による執行決定がなければならない。
<sup>art-45/par-1 · https://japanlaw.org/ja/arbitration-act/art-45/par-1 · https://japanlaw.org/l/415AC0000000138/art-45/par-1</sup>
An arbitral award (irrespective of whether or not the place of arbitration is in Japan; hereinafter the same applies in this Chapter) has the same effect as a final and binding judgment; provided, however, that a civil enforcement based on the arbitral award requires an enforceability order under the following Article.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  前項の規定は、次に掲げる事由のいずれかがある場合（第一号から第七号までに掲げる事由にあっては、当事者のいずれかが当該事由の存在を証明した場合に限る。）には、適用しない。
<sup>art-45/par-2 · https://japanlaw.org/ja/arbitration-act/art-45/par-2 · https://japanlaw.org/l/415AC0000000138/art-45/par-2</sup>
The provisions of the preceding paragraph do not apply if any of the following grounds exist (for the grounds stated in items (i) through (vii), limited to the case in which any of the parties has proved the existence of the grounds):
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **一**  仲裁合意が、当事者の行為能力の制限により、その効力を有しないこと。
  <sup>art-45/par-2/item-1 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-1 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-1</sup>
  the arbitration agreement is not valid due to the limitation on the legal capacity of a party;
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **二**  仲裁合意が、当事者が合意により仲裁合意に適用すべきものとして指定した法令（当該指定がないときは、仲裁地が属する国の法令）によれば、当事者の行為能力の制限以外の事由により、その効力を有しないこと。
  <sup>art-45/par-2/item-2 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-2 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-2</sup>
  the arbitration agreement is not valid on grounds other than the limitation on the legal capacity of a party pursuant to the laws and regulations designated by the agreement of the parties as those which should be applied to the arbitration agreement (or if the designation has not been made, pursuant to the laws and regulations of the country to which the place of arbitration belongs);
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **三**  当事者が、仲裁人の選任手続又は仲裁手続において、仲裁地が属する国の法令の規定（その法令の公の秩序に関しない規定に関する事項について当事者間に合意があるときは、当該合意）により必要とされる通知を受けなかったこと。
  <sup>art-45/par-2/item-3 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-3 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-3</sup>
  the party did not receive the notice that is required pursuant to the laws and regulations of the country to which the place of arbitration belongs (or if the parties have reached an agreement on the matters concerning the provisions unrelated to public order in those laws and regulations, pursuant to the agreement) in the procedure of appointing arbitrators or in the arbitration procedure;
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **四**  当事者が、仲裁手続において防御することが不可能であったこと。
  <sup>art-45/par-2/item-4 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-4 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-4</sup>
  the party was unable to conduct a defense in the arbitration procedure;
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **五**  仲裁判断が、仲裁合意又は仲裁手続における申立ての範囲を超える事項に関する判断を含むものであること。
  <sup>art-45/par-2/item-5 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-5 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-5</sup>
  the arbitral award contains a decision concerning matters beyond the scope of the arbitration agreement or of a petition in the arbitration procedure;
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **六**  仲裁廷の構成又は仲裁手続が、仲裁地が属する国の法令の規定（その法令の公の秩序に関しない規定に関する事項について当事者間に合意があるときは、当該合意）に違反するものであったこと。
  <sup>art-45/par-2/item-6 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-6 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-6</sup>
  the composition of the arbitral tribunal or the arbitration procedure is in violation of the laws and regulations of the country to which the place of arbitration belongs (or if the parties have reached an agreement concerning the matters concerning the provisions unrelated to public order in those laws and regulations, in violation of the agreement);
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **七**  仲裁地が属する国（仲裁手続に適用された法令が仲裁地が属する国以外の国の法令である場合にあっては、当該国）の法令によれば、仲裁判断が確定していないこと、又は仲裁判断がその国の裁判機関により取り消され、若しくは効力を停止されたこと。
  <sup>art-45/par-2/item-7 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-7 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-7</sup>
  the arbitral award is not final and binding, or the arbitral award has been set aside or its effect has been suspended by a judicial body of that country, according to the laws and regulations of the country to which the place of arbitration belongs (or if the laws and regulations applied to the arbitration procedure are laws and regulations of a country other than the country to which the place of arbitration belongs, according to the laws and regulations of the other country);
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **八**  仲裁手続における申立てが、日本の法令によれば、仲裁合意の対象とすることができない紛争に関するものであること。
  <sup>art-45/par-2/item-8 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-8 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-8</sup>
  the petition filed in the arbitration procedure is concerned with a dispute which may not be subject to an arbitration agreement pursuant to the provisions of Japanese laws and regulations; or
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **九**  仲裁判断の内容が、日本における公の秩序又は善良の風俗に反すること。
  <sup>art-45/par-2/item-9 · https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-9 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-9</sup>
  the content of the arbitral award is contrary to public policy in Japan.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  前項第五号に掲げる事由がある場合において、当該仲裁判断から同号に規定する事項に関する部分を区分することができるときは、当該部分及び当該仲裁判断のその他の部分をそれぞれ独立した仲裁判断とみなして、同項の規定を適用する。
<sup>art-45/par-3 · https://japanlaw.org/ja/arbitration-act/art-45/par-3 · https://japanlaw.org/l/415AC0000000138/art-45/par-3</sup>
If the grounds stated in item (v) of the preceding paragraph exist, and the part concerning the matters provided for in that item can be separated from the other parts of the arbitral award, the relevant part and the other parts of the arbitral award are respectively deemed to be independent arbitral awards, and the provisions of the paragraph apply.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-45/par-1: 次条 → 仲裁法 第四十六条 (Article 46), art-46 — https://japanlaw.org/ja/arbitration-act/art-46 · https://japanlaw.org/l/415AC0000000138/art-46
- art-45/par-2: 前項 → 仲裁法 第四十五条第一項 (Article 45, paragraph (1)), art-45/par-1 — https://japanlaw.org/ja/arbitration-act/art-45/par-1 · https://japanlaw.org/l/415AC0000000138/art-45/par-1
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第一号 (Article 45, paragraph (2), item (i)), art-45/par-2/item-1 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-1 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-1
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第二号 (Article 45, paragraph (2), item (ii)), art-45/par-2/item-2 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-2 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-2
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第三号 (Article 45, paragraph (2), item (iii)), art-45/par-2/item-3 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-3 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-3
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第四号 (Article 45, paragraph (2), item (iv)), art-45/par-2/item-4 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-4 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-4
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第五号 (Article 45, paragraph (2), item (v)), art-45/par-2/item-5 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-5 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-5
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第六号 (Article 45, paragraph (2), item (vi)), art-45/par-2/item-6 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-6 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-6
- art-45/par-2: 第一号から第七号まで → 仲裁法 第四十五条第二項第七号 (Article 45, paragraph (2), item (vii)), art-45/par-2/item-7 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-7 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-7
- art-45/par-3: 前項第五号 → 仲裁法 第四十五条第二項第五号 (Article 45, paragraph (2), item (v)), art-45/par-2/item-5 — https://japanlaw.org/ja/arbitration-act/art-45/par-2/item-5 · https://japanlaw.org/l/415AC0000000138/art-45/par-2/item-5
- art-45/par-3: 同項 → 仲裁法 第四十五条第二項 (Article 45, paragraph (2)), art-45/par-2 — https://japanlaw.org/ja/arbitration-act/art-45/par-2 · https://japanlaw.org/l/415AC0000000138/art-45/par-2

## Cited by

5 provisions cite this one. No official source publishes this direction.

- 仲裁法 第四十五条第二項（仲裁判断の承認） — https://japanlaw.org/ja/arbitration-act/art-45/par-2 · https://japanlaw.org/l/415AC0000000138/art-45/par-2
- 仲裁法 第四十五条第三項（仲裁判断の承認） — https://japanlaw.org/ja/arbitration-act/art-45/par-3 · https://japanlaw.org/l/415AC0000000138/art-45/par-3
- 仲裁法 第四十六条第三項（仲裁判断の執行決定） — https://japanlaw.org/ja/arbitration-act/art-46/par-3 · https://japanlaw.org/l/415AC0000000138/art-46/par-3
- 仲裁法 第四十六条第七項（仲裁判断の執行決定） — https://japanlaw.org/ja/arbitration-act/art-46/par-7 · https://japanlaw.org/l/415AC0000000138/art-46/par-7
- 仲裁法 第四十六条第八項（仲裁判断の執行決定） — https://japanlaw.org/ja/arbitration-act/art-46/par-8 · https://japanlaw.org/l/415AC0000000138/art-46/par-8

---

## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 仲裁法 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/415AC0000000138/20260521_504AC0000000048), retrieved 2026-11-01
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Arbitration Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4440/tb), retrieved 2026-11-01
- This site's parser, version 219 — 仲裁法 — structure, counts, cross-references and defined terms, computed 2026-11-01
