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Arbitration Act

仲裁法(ちゅうさいほう)

Chapter III Arbitrator

The law as Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) leaves it, with the words it changes marked.

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Chapter III Arbitrator第三章 仲裁人

Article 18第十八条

Number of Arbitrators(仲裁人の数)
Article 18, paragraph (1)(仲裁人の数)

The number of arbitrators is as prescribed by the agreement of the parties.

仲裁人の数は、当事者が合意により定めるところによる。

Article 18, paragraph (2)(仲裁人の数)

If there are two parties, and an agreement referred to in the preceding paragraph has not been reached, there will be three arbitrators.

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。

Article 18, paragraph (3)(仲裁人の数)

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.

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。

Article 19第十九条

Appointment of Arbitrators(仲裁人の選任)
Article 19, paragraph (1)(仲裁人の選任)

The procedure for appointing an arbitrator is as provided by the agreement of the parties; provided, however, that this does not apply to what is provided for in paragraph (5) or (6).

仲裁人の選任手続は、当事者が合意により定めるところによる。ただし、第五項又は第六項に規定するものについては、この限りでない。

Article 19, paragraph (2)(仲裁人の選任)

If there are two parties and three arbitrators, and an agreement referred to in the preceding paragraph has not been reached, each party will appoint one arbitrator, and the two arbitrators appointed by the parties will appoint the third arbitrator. In this case, if one party fails to appoint an arbitrator within 30 days from the day on which it received a request for appointing an arbitrator from the other party that has already appointed an arbitrator, the court will appoint the arbitrator upon the petition of that other party, and if the two arbitrators appointed by the parties fail to appoint the third arbitrator within 30 days from their appointment, the court will appoint the arbitrator upon the petition of one of the parties.

当事者の数が二人であり、仲裁人の数が三人である場合において、前項の合意がないときは、当事者がそれぞれ一人の仲裁人を、当事者により選任された二人の仲裁人がその余の仲裁人を、選任する。この場合において、一方の当事者が仲裁人を選任した他方の当事者から仲裁人を選任すべき旨の催告を受けた日から三十日以内にその選任をしないときは当該当事者の申立てにより、当事者により選任された二人の仲裁人がその選任後三十日以内にその余の仲裁人を選任しないときは一方の当事者の申立てにより、裁判所が仲裁人を選任する。

Article 19, paragraph (3)(仲裁人の選任)

If there are two parties and one arbitrator, an agreement referred to in paragraph (1) has not been reached, and the parties are unable to reach an agreement for the appointment of the arbitrator, the court will appoint the arbitrator upon the petition of one of the parties.

当事者の数が二人であり、仲裁人の数が一人である場合において、第一項の合意がなく、かつ、当事者間に仲裁人の選任についての合意が成立しないときは、一方の当事者の申立てにより、裁判所が仲裁人を選任する。

Article 19, paragraph (4)(仲裁人の選任)

If there are three or more parties, and the agreement referred to in paragraph (1) has not been reached, the court will appoint the arbitrator upon the petition of a party.

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、裁判所が仲裁人を選任する。

Article 19, paragraph (5)(仲裁人の選任)

Even if a procedure for appointing an arbitrator has been provided by the agreement referred to in paragraph (1), if it becomes impossible to appoint an arbitrator under the procedure for appointing an arbitrator due to the fact that the act provided under the procedure is not performed or for any other reason, one of the parties may file a petition for the appointment of an arbitrator with the court.

第一項の合意により仲裁人の選任手続が定められた場合であっても、当該選任手続において定められた行為がされないことその他の理由によって当該選任手続による仲裁人の選任ができなくなったときは、一方の当事者は、裁判所に対し、仲裁人の選任の申立てをすることができる。

Article 19, paragraph (6)(仲裁人の選任)

In appointing an arbitrator under the provisions of paragraph (2) through the preceding paragraph, the court must pay due consideration to the following matters:

裁判所は、第二項から前項までの規定による仲裁人の選任に当たっては、次に掲げる事項に配慮しなければならない。

Article 19, paragraph (6), item (i)(仲裁人の選任)

the requirements for the arbitrator as provided by the agreement of the parties;

当事者の合意により定められた仲裁人の要件

Article 19, paragraph (6), item (ii)(仲裁人の選任)

the impartiality and independence of the person to be appointed; and

選任される者の公正性及び独立性

Article 19, paragraph (6), item (iii)(仲裁人の選任)

if there is one arbitrator, or if the two arbitrators appointed by the parties are to appoint an arbitrator, whether it is appropriate or not to appoint a person whose nationality is different from those of both parties.

仲裁人の数を一人とする場合又は当事者により選任された二人の仲裁人が選任すべき仲裁人を選任すべき場合にあっては、当事者双方の国籍と異なる国籍を有する者を選任することが適当かどうか。

Article 20第二十条

Grounds for a Challenge(忌避の原因等)
Article 20, paragraph (1)(忌避の原因等)

If the following grounds are found with respect to an arbitrator, the parties may challenge the arbitrator:

当事者は、仲裁人に次に掲げる事由があるときは、当該仲裁人を忌避することができる。

Article 20, paragraph (1), item (i)(忌避の原因等)

the arbitrator fails to satisfy the requirements provided by the agreement of the parties; or

当事者の合意により定められた仲裁人の要件を具備しないとき。

Article 20, paragraph (1), item (ii)(忌避の原因等)

there are reasonable grounds to doubt the impartiality or independence of the arbitrator.

仲裁人の公正性又は独立性を疑うに足りる相当な理由があるとき。

Article 20, paragraph (2)(忌避の原因等)

A party that has appointed an arbitrator or that has made a recommendation for appointment or otherwise similarly participated in the appointment of the arbitrator may challenge that arbitrator only if they do so on grounds that they become aware of after the appointment.

仲裁人を選任し、又は当該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当事者は、当該選任後に知った事由を忌避の原因とする場合に限り、当該仲裁人を忌避することができる。

Article 20, paragraph (3)(忌避の原因等)

A person who has been requested to assume the post of an arbitrator and intends to accept the negotiation must disclose to the person that made the request all facts that would be likely to give rise to doubts as to their impartiality or independence.

仲裁人への就任の依頼を受けてその交渉に応じようとする者は、当該依頼をした者に対し、自己の公正性又は独立性に疑いを生じさせるおそれのある事実の全部を開示しなければならない。

Article 20, paragraph (4)(忌避の原因等)

An arbitrator must disclose all the facts that would be likely to give rise to doubts as to their impartiality or independence (excluding those which have already been disclosed) to the parties without delay during the course of the arbitration procedure.

仲裁人は、仲裁手続の進行中、当事者に対し、自己の公正性又は独立性に疑いを生じさせるおそれのある事実(既に開示したものを除く。)の全部を遅滞なく開示しなければならない。

Article 21第二十一条

Challenge Procedure(忌避の手続)
Article 21, paragraph (1)(忌避の手続)

The procedure for challenging an arbitrator is as provided by the agreement of the parties; provided, however, that this does not apply to what is provided for in paragraph (4).

仲裁人の忌避の手続は、当事者が合意により定めるところによる。ただし、第四項に規定するものについては、この限りでない。

Article 21, paragraph (2)(忌避の手続)

If an agreement referred to in the preceding paragraph has not been reached, the decision on the challenge of the arbitrator is to be made by the arbitral tribunal, upon the petition of a party.

前項の合意がない場合において、仲裁人の忌避についての決定は、当事者の申立てにより、仲裁廷が行う。

Article 21, paragraph (3)(忌避の手続)

A party that intends to file a petition referred to in the preceding paragraph must submit a written petition stating the grounds for the challenge to the arbitral tribunal within 15 days from the day on which they became aware that the arbitral tribunal had been organized or the day on which they became aware of the existence of any grounds referred to in the items of paragraph (1) of the preceding Article, whichever comes later. In this case, if the arbitral tribunal finds grounds for challenging the arbitrator, it must decide that the challenge is well-grounded.

前項の申立てをしようとする当事者は、仲裁廷が構成されたことを知った日又は前条第一項各号に掲げる事由のいずれかがあることを知った日のいずれか遅い日から十五日以内に、忌避の原因を記載した申立書を仲裁廷に提出しなければならない。この場合において、仲裁廷は、当該仲裁人に忌避の原因があると認めるときは、忌避を理由があるとする決定をしなければならない。

Article 21, paragraph (4)(忌避の手続)

If a decision is made to the effect that the challenge of an arbitrator is groundless in the challenge procedure provided in the preceding three paragraphs, the party that challenged may file a petition for the challenge of the arbitrator with the court, within 30 days from the day of receipt of notice of the decision. In this case, if the court finds grounds for challenging the arbitrator, it must decide that the challenge is well-grounded.

前三項に規定する忌避の手続において仲裁人の忌避を理由がないとする決定がされた場合には、その忌避をした当事者は、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、当該仲裁人の忌避の申立てをすることができる。この場合において、裁判所は、当該仲裁人に忌避の原因があると認めるときは、忌避を理由があるとする決定をしなければならない。

Article 21, paragraph (5)(忌避の手続)

Even while the case subject to the petition for the challenge referred to in the preceding paragraph is pending in court, the arbitral tribunal may commence or continue the arbitration procedure, and make an arbitral award.

仲裁廷は、前項の忌避の申立てに係る事件が裁判所に係属する間においても、仲裁手続を開始し、又は続行し、かつ、仲裁判断をすることができる。

Article 22第二十二条

Petition for Dismissal(解任の申立て)
Article 22, paragraph (1)(解任の申立て)

If the following grounds are found, a party may file a petition to dismiss the arbitrator with the court. In this case, if the court finds that grounds related to the petition apply to the arbitrator, it must decide to dismiss the arbitrator:

当事者は、次に掲げる事由があるときは、裁判所に対し、仲裁人の解任の申立てをすることができる。この場合において、裁判所は、当該仲裁人にその申立てに係る事由があると認めるときは、当該仲裁人を解任する決定をしなければならない。

Article 22, paragraph (1), item (i)(解任の申立て)

the arbitrator has become legally or practically unable to perform their duties; or

仲裁人が法律上又は事実上その任務を遂行することができなくなったとき。

Article 22, paragraph (1), item (ii)(解任の申立て)

except for the case set forth in the preceding item, the arbitrator unjustly delays the performance of their duties.

前号の場合を除くほか、仲裁人がその任務の遂行を不当に遅滞させたとき。

Article 23第二十三条

End of the Arbitrator's Duties(仲裁人の任務の終了)
2 changes in this article
Article 23, paragraph (1)(仲裁人の任務の終了)

The arbitrator's duties end for the following reasons:

仲裁人の任務は、次に掲げる事由により、終了する。

Article 23, paragraph (1), item (i)(仲裁人の任務の終了)

the death of the arbitrator;

仲裁人の死亡

Article 23, paragraph (1), item (ii)(仲裁人の任務の終了)

the resignation of the arbitrator;

仲裁人の辞任

Article 23, paragraph (1), item (iii)(仲裁人の任務の終了)

the dismissal of the arbitrator by the agreement of the parties;

当事者の合意による仲裁人の解任

Article 23, paragraph (1), item (iv)(仲裁人の任務の終了)(End of the Arbitrator's Duties)Changed

a decision finding a challenge to be well-grounded, which has been made in the challenge procedure provided for in Article 1921, paragraphs (1) through (4); and

第十九条第二十一条第一項から第四項までに規定する忌避の手続においてされた忌避を理由があるとする決定

Article 23, paragraph (1), item (v)(仲裁人の任務の終了)

a decision to dismiss the arbitrator under the preceding Article.

前条の規定による仲裁人の解任の決定

Article 23, paragraph (2)(仲裁人の任務の終了)(End of the Arbitrator's Duties)Changed

It is prohibited to presume that the grounds stated in the items of Article 1820, paragraph (1) or the items of the preceding Article are found regarding the relevant arbitrator from the mere fact that the arbitrator resigned or was dismissed by the agreement of the parties during the course of the challenge procedure provided for in Article 1921, paragraphs (1) through (4), or the procedure for dismissal under the preceding Article.

第十九条第二十一条第一項から第四項までに規定する忌避の手続又は前条の規定による解任の手続の進行中に、仲裁人が辞任し、又は当事者の合意により仲裁人が解任されたという事実のみから、当該仲裁人について第十八条第二十条第一項各号又は前条各号に掲げる事由があるものと推定してはならない。

Article 24第二十四条

Method of Appointing the Successor Arbitrator(後任の仲裁人の選任方法)
Article 24, paragraph (1)(後任の仲裁人の選任方法)

Unless otherwise agreed by the parties, if the arbitrator's duties have ended for the reasons stated in the items of the preceding Article, paragraph (1), the method of appointing a successor arbitrator is the appointment method applied to the appointment of the arbitrator whose duties have ended.

前条第一項各号に掲げる事由により仲裁人の任務が終了した場合における後任の仲裁人の選任の方法は、当事者間に別段の合意がない限り、任務が終了した仲裁人の選任に適用された選任の方法による。

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