# 仲裁法 / Arbitration Act — 第十六条 (Article 16) This is the Markdown twin of https://japanlaw.org/ja/arbitration-act/art-16. 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: 第十六条 (Article 16)（仲裁人の数） — address `art-16` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/arbitration-act/art-16 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000138/art-16 - 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. --- ### 第十六条（仲裁人の数） — (Number of Arbitrators) caption: Ministry of Justice translation — Japanese Law Translation Database System art-16 · https://japanlaw.org/ja/arbitration-act/art-16 · https://japanlaw.org/l/415AC0000000138/art-16 **第一項** 仲裁人の数は、当事者が合意により定めるところによる。 art-16/par-1 · https://japanlaw.org/ja/arbitration-act/art-16/par-1 · https://japanlaw.org/l/415AC0000000138/art-16/par-1 The number of arbitrators is as prescribed by the agreement of the parties. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "The number of arbitrators are as prescribed by the agreement of the parties." — https://www.japaneselawtranslation.go.jp/en/laws/view/4440/tb **第二項** 当事者の数が二人である場合において、前項の合意がないときは、仲裁人の数は、三人とする。 art-16/par-2 · https://japanlaw.org/ja/arbitration-act/art-16/par-2 · https://japanlaw.org/l/415AC0000000138/art-16/par-2 If there are two parties, and an agreement referred to in the preceding paragraph has not been reached, there will be three arbitrators. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 当事者の数が三人以上である場合において、第一項の合意がないときは、当事者の申立てにより、裁判所が仲裁人の数を定める。 art-16/par-3 · https://japanlaw.org/ja/arbitration-act/art-16/par-3 · https://japanlaw.org/l/415AC0000000138/art-16/par-3 If there are three or more parties, and an agreement referred to in paragraph (1) has not been reached, the number of arbitrators is provided by the court, upon the petition of a party. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-16/par-2: 前項 → 仲裁法 第十六条第一項 (Article 16, paragraph (1)), art-16/par-1 — https://japanlaw.org/ja/arbitration-act/art-16/par-1 · https://japanlaw.org/l/415AC0000000138/art-16/par-1 - art-16/par-3: 第一項 → 仲裁法 第十六条第一項 (Article 16, paragraph (1)), art-16/par-1 — https://japanlaw.org/ja/arbitration-act/art-16/par-1 · https://japanlaw.org/l/415AC0000000138/art-16/par-1 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 仲裁法 第八条第一項第一号（仲裁地が定まっていない場合における裁判所の関与） — https://japanlaw.org/ja/arbitration-act/art-8/par-1/item-1 · https://japanlaw.org/l/415AC0000000138/art-8/par-1/item-1 - 仲裁法 第十六条第二項（仲裁人の数） — https://japanlaw.org/ja/arbitration-act/art-16/par-2 · https://japanlaw.org/l/415AC0000000138/art-16/par-2 - 仲裁法 第十六条第三項（仲裁人の数） — https://japanlaw.org/ja/arbitration-act/art-16/par-3 · https://japanlaw.org/l/415AC0000000138/art-16/par-3 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-11-02 - 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 (仲裁法), Article 16, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4440/tb), 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