# 仲裁法 / Arbitration Act — 第二十七条 (Article 27) This is the Markdown twin of https://japanlaw.org/en/arbitration-act/art-27. 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: 第二十七条 (Article 27)（異議権の放棄） — address `art-27` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/arbitration-act/art-27 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000138/art-27 - 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. --- ### 第二十七条（異議権の放棄） — (Waiver of Right of Objection) caption: Ministry of Justice translation — Japanese Law Translation Database System art-27 · https://japanlaw.org/en/arbitration-act/art-27 · https://japanlaw.org/l/415AC0000000138/art-27 **第一項** 仲裁手続においては、当事者は、この法律の規定又は当事者間の合意により定められた仲裁手続の準則（いずれも公の秩序に関しないものに限る。）が遵守されていないことを知りながら、遅滞なく（異議を述べるべき期限についての定めがある場合にあっては、当該期限までに）異議を述べないときは、当事者間に別段の合意がない限り、異議を述べる権利を放棄したものとみなす。 art-27/par-1 · https://japanlaw.org/en/arbitration-act/art-27/par-1 · https://japanlaw.org/l/415AC0000000138/art-27/par-1 In an arbitration procedure, if a party that knows that any provisions of this Act or rules of an arbitration procedure which have been provided by the agreement of the parties (limited to those unrelated to public order) have not been complied with does not state their objection without delay (or if a period within which an objection should be stated is provided for, within the period), the party is deemed to have waived their right to object, unless otherwise agreed between the parties. Ministry of Justice translation — Japanese Law Translation Database System --- ## 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