# 仲裁法 / Arbitration Act — 第三十四条 (Article 34)

This is the Markdown twin of https://japanlaw.org/en/arbitration-act/art-34. 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: 第三十四条 (Article 34)（仲裁廷による鑑定人の選任等） — address `art-34`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/en/arbitration-act/art-34
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000138/art-34
- 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.

---

### 第三十四条（仲裁廷による鑑定人の選任等） — (Appointment of Expert by Arbitral Tribunal)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-34 · https://japanlaw.org/en/arbitration-act/art-34 · https://japanlaw.org/l/415AC0000000138/art-34</sup>

**第一項**  仲裁廷は、一人又は二人以上の鑑定人を選任し、必要な事項について鑑定をさせ、文書又は口頭によりその結果の報告をさせることができる。
<sup>art-34/par-1 · https://japanlaw.org/en/arbitration-act/art-34/par-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-1</sup>
An arbitral tribunal may appoint one or more experts, and may have them conduct an expert examination concerning necessary matters and report the results in writing or orally.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  前項の場合において、仲裁廷は、当事者に対し、次に掲げる行為をすることを求めることができる。
<sup>art-34/par-2 · https://japanlaw.org/en/arbitration-act/art-34/par-2 · https://japanlaw.org/l/415AC0000000138/art-34/par-2</sup>
In the case referred to in the preceding paragraph, the arbitral tribunal may require the parties to carry out the following acts:
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **一**  鑑定に必要な情報を鑑定人に提供すること。
  <sup>art-34/par-2/item-1 · https://japanlaw.org/en/arbitration-act/art-34/par-2/item-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-2/item-1</sup>
  to provide the experts with the information necessary for an expert examination; and
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **二**  鑑定に必要な文書その他の物を、鑑定人に提出し、又は鑑定人が見分をすることができるようにすること。
  <sup>art-34/par-2/item-2 · https://japanlaw.org/en/arbitration-act/art-34/par-2/item-2 · https://japanlaw.org/l/415AC0000000138/art-34/par-2/item-2</sup>
  to submit documents and other items necessary for an expert examination to the expert, or enable the expert to inspect them.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  当事者の求めがあるとき、又は仲裁廷が必要と認めるときは、鑑定人は、第一項の規定による報告をした後、口頭審理の期日に出頭しなければならない。
<sup>art-34/par-3 · https://japanlaw.org/en/arbitration-act/art-34/par-3 · https://japanlaw.org/l/415AC0000000138/art-34/par-3</sup>
If the parties request or the arbitral tribunal finds it necessary, an expert must appear on the date of the oral hearing after delivering the report referred to in paragraph (1).
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第四項**  当事者は、前項の口頭審理の期日において、次に掲げる行為をすることができる。
<sup>art-34/par-4 · https://japanlaw.org/en/arbitration-act/art-34/par-4 · https://japanlaw.org/l/415AC0000000138/art-34/par-4</sup>
The parties may carry out the following acts on the date of the oral hearing referred to in the preceding paragraph:
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **一**  鑑定人に質問をすること。
  <sup>art-34/par-4/item-1 · https://japanlaw.org/en/arbitration-act/art-34/par-4/item-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-4/item-1</sup>
  to ask the expert questions; and
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **二**  自己が依頼した専門的知識を有する者に当該鑑定に係る事項について陳述をさせること。
  <sup>art-34/par-4/item-2 · https://japanlaw.org/en/arbitration-act/art-34/par-4/item-2 · https://japanlaw.org/l/415AC0000000138/art-34/par-4/item-2</sup>
  to have a person who has expert knowledge and whom the party has appointed make statements concerning the matters related to the expert examination.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第五項**  前各項の規定は、当事者間に別段の合意がある場合には、適用しない。
<sup>art-34/par-5 · https://japanlaw.org/en/arbitration-act/art-34/par-5 · https://japanlaw.org/l/415AC0000000138/art-34/par-5</sup>
The provisions of the preceding paragraphs do not apply if otherwise agreed by the parties.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-34/par-2: 前項 → 仲裁法 第三十四条第一項 (Article 34, paragraph (1)), art-34/par-1 — https://japanlaw.org/en/arbitration-act/art-34/par-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-1
- art-34/par-3: 第一項 → 仲裁法 第三十四条第一項 (Article 34, paragraph (1)), art-34/par-1 — https://japanlaw.org/en/arbitration-act/art-34/par-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-1
- art-34/par-4: 前項 → 仲裁法 第三十四条第三項 (Article 34, paragraph (3)), art-34/par-3 — https://japanlaw.org/en/arbitration-act/art-34/par-3 · https://japanlaw.org/l/415AC0000000138/art-34/par-3
- art-34/par-5: 前各項 → 仲裁法 第三十四条第一項 (Article 34, paragraph (1)), art-34/par-1 — https://japanlaw.org/en/arbitration-act/art-34/par-1 · https://japanlaw.org/l/415AC0000000138/art-34/par-1
- art-34/par-5: 前各項 → 仲裁法 第三十四条第二項 (Article 34, paragraph (2)), art-34/par-2 — https://japanlaw.org/en/arbitration-act/art-34/par-2 · https://japanlaw.org/l/415AC0000000138/art-34/par-2
- art-34/par-5: 前各項 → 仲裁法 第三十四条第三項 (Article 34, paragraph (3)), art-34/par-3 — https://japanlaw.org/en/arbitration-act/art-34/par-3 · https://japanlaw.org/l/415AC0000000138/art-34/par-3
- art-34/par-5: 前各項 → 仲裁法 第三十四条第四項 (Article 34, paragraph (4)), art-34/par-4 — https://japanlaw.org/en/arbitration-act/art-34/par-4 · https://japanlaw.org/l/415AC0000000138/art-34/par-4

## Cited by

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

- 仲裁法 第三十二条第一項（審理の方法） — https://japanlaw.org/en/arbitration-act/art-32/par-1 · https://japanlaw.org/l/415AC0000000138/art-32/par-1
- 仲裁法 第三十四条第二項（仲裁廷による鑑定人の選任等） — https://japanlaw.org/en/arbitration-act/art-34/par-2 · https://japanlaw.org/l/415AC0000000138/art-34/par-2
- 仲裁法 第三十四条第三項（仲裁廷による鑑定人の選任等） — https://japanlaw.org/en/arbitration-act/art-34/par-3 · https://japanlaw.org/l/415AC0000000138/art-34/par-3
- 仲裁法 第三十四条第四項（仲裁廷による鑑定人の選任等） — https://japanlaw.org/en/arbitration-act/art-34/par-4 · https://japanlaw.org/l/415AC0000000138/art-34/par-4
- 仲裁法 第三十四条第五項（仲裁廷による鑑定人の選任等） — https://japanlaw.org/en/arbitration-act/art-34/par-5 · https://japanlaw.org/l/415AC0000000138/art-34/par-5

---

## 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