# 仲裁法 / Arbitration Act — 第四章 (Chapter 4) This is the Markdown twin of https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4. 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: 第四章 (Chapter 4) — address `ch-4` - Text: the text as amended with effect from 2028-06-13 (On a day set by Cabinet Order, no later than 13 June 2028 — the amending law allows up to five years from promulgation. The exact day is not fixed yet.) — NOT yet in force (revision 20280613_505AC0000000053) - URL (this text's page, at this provision): https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4 - The same address in the text in force (its wording there may differ): https://japanlaw.org/ja/arbitration-act/ch-4 - Every provision below carries its address and its place on this text's page 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. The Ministry's English is given only where this text's Japanese is a wording the Ministry translated — the same as the text in force, or for a text not yet in force, a wording it translated ahead; every other paragraph's English is machine translation. --- ## 第四章　仲裁廷の特別の権限 — Chapter IV Special Authority of Arbitral Tribunal heading: Ministry of Justice translation — Japanese Law Translation Database System ch-4 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4 ### 第二十五条（自己の仲裁権限の有無についての判断） — (Competence of Arbitral Tribunal to Rule on Its Jurisdiction) caption: Ministry of Justice translation — Japanese Law Translation Database System art-25 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25 **第一項** 仲裁廷は、仲裁合意の存否又は効力に関する主張についての判断その他自己の仲裁権限（仲裁手続における審理及び仲裁判断を行う権限をいう。以下この条において同じ。）の有無についての判断を示すことができる。 art-25/par-1 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-1 An arbitral tribunal may rule on its own jurisdiction (meaning the authority to carry out proceedings in an arbitration procedure and to make an arbitral award; hereinafter the same applies in this Article), including a ruling on any allegations on the existence or validity of an arbitration agreement. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "An arbitral tribunal may rule on its own jurisdiction (meaning the authority to carry out proceedings in an arbitration procedure and to make an arbitral award; hereinafter the applies in this Article), including a ruling on any allegations on the existence or validity of an arbitration agreement." — https://www.japaneselawtranslation.go.jp/en/laws/view/4440/tb **第二項** 仲裁手続において、仲裁廷が仲裁権限を有しない旨の主張は、その原因となる事由が仲裁手続の進行中に生じた場合にあってはその後速やかに、その他の場合にあっては本案についての最初の主張書面の提出の時（口頭審理において口頭で最初に本案についての主張をする時を含む。）までに、しなければならない。ただし、仲裁権限を有しない旨の主張の遅延について正当な理由があると仲裁廷が認めるときは、この限りでない。 art-25/par-2 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-2 In an arbitration procedure, an allegation that an arbitral tribunal does not have jurisdiction must be made promptly after the occurrence of the cause for the allegation if the cause has occurred during the course of the arbitration procedure, or, in any other case, an allegation must be made by the time of submission of the first written allegation on the merits (including the time of orally making the first allegation on the merits in oral hearings); provided, however, that this does not apply when the arbitral tribunal finds justifiable grounds for a delay in making an allegation that the arbitral tribunal does not have jurisdiction. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 当事者は、仲裁人を選任し、又は仲裁人の選任について推薦その他これに類する関与をした場合であっても、前項の主張をすることができる。 art-25/par-3 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-3 A party may make the allegation referred to in the preceding paragraph even if the party has appointed an arbitrator, or has made a recommendation for an arbitrator or otherwise similarly participated in the appointment of an arbitrator. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 仲裁廷は、適法な第二項の主張があったときは、次の各号に掲げる区分に応じ、それぞれ当該各号に定める決定又は仲裁判断により、当該主張に対する判断を示さなければならない。 art-25/par-4 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-4 If the allegation referred to in paragraph (2) has been made lawfully, an arbitral tribunal must rule on the allegation by the decision or arbitral award provided for in the following items for each category of ruling set forth in those items: Ministry of Justice translation — Japanese Law Translation Database System **一** 自己が仲裁権限を有する旨の判断を示す場合　仲裁判断前の独立の決定又は仲裁判断 art-25/par-4/item-1 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-4/item-1 when ruling that the arbitral tribunal has jurisdiction:by an independent decision made before an arbitral award or by an arbitral award; and Ministry of Justice translation — Japanese Law Translation Database System **二** 自己が仲裁権限を有しない旨の判断を示す場合　仲裁手続の終了決定 art-25/par-4/item-2 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-4/item-2 when ruling that the arbitral tribunal does not have jurisdiction:by a decision to end the arbitration procedure. Ministry of Justice translation — Japanese Law Translation Database System **第五項** 仲裁廷が仲裁判断前の独立の決定において自己が仲裁権限を有する旨の判断を示したときは、当事者は、当該決定の通知を受けた日から三十日以内に、裁判所に対し、当該仲裁廷が仲裁権限を有するかどうかについての判断を求める申立てをすることができる。この場合において、当該申立てに係る事件が裁判所に係属する場合であっても、当該仲裁廷は、仲裁手続を続行し、かつ、仲裁判断をすることができる。 art-25/par-5 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-5 If an arbitral tribunal has ruled that it has jurisdiction in its independent decision made before an arbitral award, a party may petition a court to rule on whether the arbitral tribunal has jurisdiction within 30 days of receipt of notice of the decision. In this case, even if a case related to said petition is pending in the court, the arbitral tribunal may continue the arbitration procedure and make an arbitral award. Ministry of Justice translation — Japanese Law Translation Database System ### 第二十六条（暫定保全措置） — (Interim Measures) caption: Ministry of Justice translation — Japanese Law Translation Database System art-26 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26 **第一項** 仲裁廷は、当事者間に別段の合意がない限り、仲裁判断があるまでの間、その一方の申立てにより、他方の当事者に対し、次に掲げる措置を講ずることを命ずることができる。 art-26/par-1 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1 Until an arbitral award is made, unless otherwise agreed by the parties, upon the petition of a party, an arbitral tribunal may order the other party to take the following measures: Ministry of Justice translation — Japanese Law Translation Database System **一** 金銭の支払を目的とする債権について、強制執行をすることができなくなるおそれがあるとき、又は強制執行をするのに著しい困難を生ずるおそれがあるときに、当該金銭の支払をするために必要な財産の処分その他の変更を禁止すること。 art-26/par-1/item-1 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-1 to prohibit the disposal of or any other change to property necessary for the payment of money, when it is likely that an enforcement regarding a claim for payment of money will not be possible, or it is likely that significant difficulties will arise in implementing enforcement; Ministry of Justice translation — Japanese Law Translation Database System **二** 財産上の給付（金銭の支払を除く。）を求める権利について、当該権利を実行することができなくなるおそれがあるとき、又は当該権利を実行するのに著しい困難を生ずるおそれがあるときに、当該給付の目的である財産の処分その他の変更を禁止すること。 art-26/par-1/item-2 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-2 to prohibit the disposal of or any other change to any property which is the subject of a claim to seek provision of property benefits, when it is likely that the exercise of the right regarding the claim to seek provision of property benefits (excluding payment of money) will not be possible or will be extremely difficult; Ministry of Justice translation — Japanese Law Translation Database System **三** 紛争の対象となる物又は権利関係について、申立てをした当事者に生ずる著しい損害又は急迫の危険を避けるため、当該損害若しくは当該危険の発生を防止し、若しくはその防止に必要な措置をとり、又は変更が生じた当該物若しくは権利関係について変更前の原状の回復をすること。 art-26/par-1/item-3 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-3 to prevent any substantial loss or imminent danger from arising that would occur to the party that filed the petition with regard to the property or relationship of rights which is the subject matter of the dispute, take necessary prevention measures, or restore the status quo of the property or relationship of rights if it has been changed, in order to avoid the loss or danger in question; Ministry of Justice translation — Japanese Law Translation Database System **四** 仲裁手続における審理を妨げる行為を禁止すること（次号に掲げるものを除く。）。 art-26/par-1/item-4 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-4 to prohibit actions that cause harm or prejudice to the proceedings in the arbitration procedure (excluding the actions stated in the following item); or Ministry of Justice translation — Japanese Law Translation Database System **五** 仲裁手続の審理のために必要な証拠について、その廃棄、消去又は改変その他の行為を禁止すること。 art-26/par-1/item-5 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-5 to prohibit actions such as disposing, erasing or altering evidence necessary for the proceedings in the arbitration procedure. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の申立て（同項第五号に係るものを除く。）をするときは、保全すべき権利又は権利関係及びその申立ての原因となる事実を疎明しなければならない。 art-26/par-2 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-2 When filing a petition referred to in the preceding paragraph (excluding item (v) of that paragraph), a party must make a prima facie showing of the rights or relationship of rights that must be preserved and the fact constituting the grounds for the petition. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 仲裁廷は、第一項各号に掲げる措置を講ずることを命ずる命令（以下「暫定保全措置命令」という。）を発するに際し、必要があると認めるときは、相当な担保を提供すべきことを命ずることができる。 art-26/par-3 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-3 In issuing an order to take measures stated in the items in paragraph (1) (hereinafter referred to as "order for interim measures"), if it finds it necessary, the arbitral tribunal may order the provision of appropriate security. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 保全すべき権利若しくは権利関係又は第一項の申立ての原因を欠くことが判明し、又はこれを欠くに至ったときその他の事情の変更があったときは、仲裁廷は、申立てにより、暫定保全措置命令を取り消し、変更し、又はその効力を停止することができる。 art-26/par-4 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-4 If it is found that the grounds of the rights or relationship of rights that must be preserved or the grounds for the petition referred to in paragraph (1) do not exist or cease to exist or if there has been any other change in circumstances, upon petition, the arbitral tribunal may revoke, amend or suspend the order for interim measures. Ministry of Justice translation — Japanese Law Translation Database System **第五項** 前項の規定によるほか、仲裁廷は、特別の事情があると認めるときは、当事者にあらかじめ通知した上で、職権で、暫定保全措置命令を取り消し、変更し、又はその効力を停止することができる。 art-26/par-5 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-5 Beyond the case referred to in the preceding paragraph, if the arbitral tribunal finds that there are special circumstances, the arbitral tribunal may revoke, amend or suspend the order for interim measures on its own initiative, after notifying the parties to that effect. Ministry of Justice translation — Japanese Law Translation Database System **第六項** 仲裁廷は、第四項の事情の変更があったと思料するときは、当事者に対し、速やかに当該事情の変更の有無及び当該事情の変更があったときはその内容を開示することを命ずることができる。 art-26/par-6 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-6 When it considers that there has been a change in circumstances referred to in paragraph (4), the arbitral tribunal may order the parties to promptly disclose whether there has been a change in circumstances and, if so, the content of the change in circumstances. Ministry of Justice translation — Japanese Law Translation Database System **第七項** 暫定保全措置命令の申立てをした者（次項において「申立人」という。）が前項の規定による命令に従わないときは、第四項の規定の適用については、同項の事情の変更があったものとみなす。 art-26/par-7 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-7 If a party that filed a petition for an order for interim measures (referred to as a "petitioner" in the following paragraph) does not comply with the order under the preceding paragraph, for the purpose of application of the provisions in paragraph (4), a change in circumstances stated in that paragraph is deemed to have taken place. Ministry of Justice translation — Japanese Law Translation Database System **第八項** 仲裁廷は、第四項又は第五項の規定により暫定保全措置命令を取り消し、変更し、又はその効力を停止した場合において、申立人の責めに帰すべき事由により暫定保全措置命令を発したと認めるときは、暫定保全措置命令を受けた者の申立てにより、当該申立人に対し、これにより当該暫定保全措置命令を受けた者が受けた損害の賠償を命ずることができる。ただし、当事者間に別段の合意がある場合は、この限りでない。 art-26/par-8 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-8 When the arbitral tribunal revokes, amends or suspends an order for interim measures pursuant to the provisions of paragraph (4) or (5), and it finds that the order for interim measures was issued due to grounds attributable to the petitioner, upon petition by the person who received the order for interim measures, it may order the petitioner to compensate for any damage that the person who received the order for interim measures has consequently suffered; provided, however, that this does not apply if the parties have agreed otherwise. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "When the arbitral tribunal revokes, amend or suspends an order for interim measures pursuant to the provisions of paragraph (4) or (5), and it finds that the order for interim measures was issued due to grounds attributable to the petitioner, upon petition by the person who received the order for interim measures, it may order the petitioner to compensate for any damage that the person who received the order for interim measures has consequently suffered; provided, however, that this does not apply if the parties have agreed otherwise." — https://www.japaneselawtranslation.go.jp/en/laws/view/4440/tb **第九項** 前項の規定による命令は、仲裁判断としての効力を有する。 art-26/par-9 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-9 The order under the preceding paragraph has the effect of an arbitral award. Ministry of Justice translation — Japanese Law Translation Database System **第十項** 第四十一条の規定は第八項の規定による命令について、同条第一項及び第三項の規定は暫定保全措置命令その他のこの条の規定による命令（第八項の規定による命令を除く。）又は決定について、それぞれ準用する。 art-26/par-10 · https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-10 The provisions of Article 41 apply mutatis mutandis to the order under paragraph (8), and the provisions of paragraphs (1) and (3) of that Article apply mutatis mutandis to the order for interim measures and other orders (excluding the order under paragraph (8)) or decisions under this Article. machine translation, not official --- ## Cites - art-25/par-1: この条 → 仲裁法 第二十五条 (Article 25), art-25 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25 - art-25/par-3: 前項 → 仲裁法 第二十五条第二項 (Article 25, paragraph (2)), art-25/par-2 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-2 - art-25/par-4: 第二項 → 仲裁法 第二十五条第二項 (Article 25, paragraph (2)), art-25/par-2 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-25/par-2 - art-26/par-1/item-4: 次号 → 仲裁法 第二十六条第一項第五号 (Article 26, paragraph (1), item (v)), art-26/par-1/item-5 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-5 - art-26/par-2: 前項 → 仲裁法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1 - art-26/par-2: 同項第五号 → 仲裁法 第二十六条第一項第五号 (Article 26, paragraph (1), item (v)), art-26/par-1/item-5 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1/item-5 - art-26/par-3: 第一項 → 仲裁法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1 - art-26/par-4: 第一項 → 仲裁法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-1 - art-26/par-5: 前項 → 仲裁法 第二十六条第四項 (Article 26, paragraph (4)), art-26/par-4 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-4 - art-26/par-6: 第四項 → 仲裁法 第二十六条第四項 (Article 26, paragraph (4)), art-26/par-4 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-4 - art-26/par-7: 次項 → 仲裁法 第二十六条第八項 (Article 26, paragraph (8)), art-26/par-8 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-8 - art-26/par-7: 前項 → 仲裁法 第二十六条第六項 (Article 26, paragraph (6)), art-26/par-6 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-6 - art-26/par-7: 第四項 → 仲裁法 第二十六条第四項 (Article 26, paragraph (4)), art-26/par-4 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-4 - art-26/par-8: 第四項 → 仲裁法 第二十六条第四項 (Article 26, paragraph (4)), art-26/par-4 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-4 - art-26/par-8: 第五項 → 仲裁法 第二十六条第五項 (Article 26, paragraph (5)), art-26/par-5 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-5 - art-26/par-9: 前項 → 仲裁法 第二十六条第八項 (Article 26, paragraph (8)), art-26/par-8 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-8 - art-26/par-10: 第四十一条 → 仲裁法 第四十一条 (Article 41), art-41 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-6#art-41 - art-26/par-10: 第八項 → 仲裁法 第二十六条第八項 (Article 26, paragraph (8)), art-26/par-8 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26/par-8 - art-26/par-10: 同条第一項 → 仲裁法 第四十一条第一項 (Article 41, paragraph (1)), art-41/par-1 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-6#art-41/par-1 - art-26/par-10: 第三項 → 仲裁法 第四十一条第三項 (Article 41, paragraph (3)), art-41/par-3 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-6#art-41/par-3 - art-26/par-10: この条 → 仲裁法 第二十六条 (Article 26), art-26 — https://japanlaw.org/ja/arbitration-act/amendments/20280613_505AC0000000053/text/ch-4#art-26 --- ## 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 as 令和五年法律第五十三号 leaves it, from a date not yet fixed (https://laws.e-gov.go.jp/law/415AC0000000138/20280613_505AC0000000053), retrieved 2026-11-01 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Arbitration Act (仲裁法), Article 23, 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 (仲裁法), Article 24, paragraph (8) — 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 - claude-sonnet-5-5 — Machine translation of amended wording, batch arbitration-act-amendments-20261101T163107-001, translated 2026-11-02 - This site's parser, version 219 — 仲裁法 — structure, counts, cross-references and defined terms, computed 2026-11-01