Its wordings
Arbitration Act
Article 18, paragraph (2)
第十八条第二項
Each amendment that changed this provision, and each that will, oldest first. Each is shown against the wording just before it; where an amendment gives the provision another number, it is followed under the new one. Read it as it stands today
In force today
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。