# 仲裁法 / Arbitration Act — 第三十三条 (Article 33)

This is the Markdown twin of https://japanlaw.org/ja/arbitration-act/art-33. 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: 第三十三条 (Article 33)（不熱心な当事者がいる場合の取扱い） — address `art-33`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/arbitration-act/art-33
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000138/art-33
- 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.

---

### 第三十三条（不熱心な当事者がいる場合の取扱い） — (Treatment in Case of Default of a Party)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-33 · https://japanlaw.org/ja/arbitration-act/art-33 · https://japanlaw.org/l/415AC0000000138/art-33</sup>

**第一項**  仲裁廷は、仲裁申立人が第三十一条第一項の規定に違反したときは、仲裁手続の終了決定をしなければならない。ただし、違反したことについて正当な理由がある場合は、この限りでない。
<sup>art-33/par-1 · https://japanlaw.org/ja/arbitration-act/art-33/par-1 · https://japanlaw.org/l/415AC0000000138/art-33/par-1</sup>
If an arbitration petitioner violates the provisions of Article 31, paragraph (1), the arbitral tribunal must make a decision to end the arbitration procedure; provided, however, that this does not apply to cases in which there are justifiable grounds for that violation.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  仲裁廷は、仲裁被申立人が第三十一条第二項の規定に違反した場合であっても、仲裁被申立人が仲裁申立人の主張を認めたものとして取り扱うことなく、仲裁手続を続行しなければならない。
<sup>art-33/par-2 · https://japanlaw.org/ja/arbitration-act/art-33/par-2 · https://japanlaw.org/l/415AC0000000138/art-33/par-2</sup>
Even if an arbitration respondent has violated the provisions of Article 31, paragraph (2), the arbitral tribunal must continue the arbitration procedure without treating that violation as being the arbitration respondent's admission of the arbitration petitioner's allegations.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  仲裁廷は、一方の当事者が口頭審理の期日に出頭せず、又は証拠書類を提出しないときは、その時までに収集された証拠に基づいて、仲裁判断をすることができる。ただし、当該当事者が口頭審理に出頭せず、又は証拠書類を提出しないことについて正当な理由がある場合は、この限りでない。
<sup>art-33/par-3 · https://japanlaw.org/ja/arbitration-act/art-33/par-3 · https://japanlaw.org/l/415AC0000000138/art-33/par-3</sup>
If one party fails to appear on the date of oral hearings or to produce documentary evidence, the arbitral tribunal may make an arbitral award on the evidence collected by that time; provided, however, that this does not apply to cases in which there are justifiable grounds for the party to fail to appear at the oral hearings or to produce documentary evidence.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第四項**  前三項の規定は、当事者間に別段の合意がある場合には、適用しない。
<sup>art-33/par-4 · https://japanlaw.org/ja/arbitration-act/art-33/par-4 · https://japanlaw.org/l/415AC0000000138/art-33/par-4</sup>
The provisions of the preceding three paragraphs do not apply if otherwise agreed by the parties.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-33/par-1: 第三十一条第一項 → 仲裁法 第三十一条第一項 (Article 31, paragraph (1)), art-31/par-1 — https://japanlaw.org/ja/arbitration-act/art-31/par-1 · https://japanlaw.org/l/415AC0000000138/art-31/par-1
- art-33/par-2: 第三十一条第二項 → 仲裁法 第三十一条第二項 (Article 31, paragraph (2)), art-31/par-2 — https://japanlaw.org/ja/arbitration-act/art-31/par-2 · https://japanlaw.org/l/415AC0000000138/art-31/par-2
- art-33/par-4: 前三項 → 仲裁法 第三十三条第一項 (Article 33, paragraph (1)), art-33/par-1 — https://japanlaw.org/ja/arbitration-act/art-33/par-1 · https://japanlaw.org/l/415AC0000000138/art-33/par-1
- art-33/par-4: 前三項 → 仲裁法 第三十三条第二項 (Article 33, paragraph (2)), art-33/par-2 — https://japanlaw.org/ja/arbitration-act/art-33/par-2 · https://japanlaw.org/l/415AC0000000138/art-33/par-2
- art-33/par-4: 前三項 → 仲裁法 第三十三条第三項 (Article 33, paragraph (3)), art-33/par-3 — https://japanlaw.org/ja/arbitration-act/art-33/par-3 · https://japanlaw.org/l/415AC0000000138/art-33/par-3

## Cited by

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

- 仲裁法 第三十三条第四項（不熱心な当事者がいる場合の取扱い） — https://japanlaw.org/ja/arbitration-act/art-33/par-4 · https://japanlaw.org/l/415AC0000000138/art-33/par-4
- 仲裁法 第四十条第二項（仲裁手続の終了） — https://japanlaw.org/ja/arbitration-act/art-40/par-2 · https://japanlaw.org/l/415AC0000000138/art-40/par-2

---

## 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
