Arbitration Act
Article 13, paragraph (2)
第十三条第二項
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
An arbitration agreement must be in writing, such as in the form of a document signed by all the parties, letters or telegrams exchanged between the parties (including those sent by facsimile device or other communication measures for parties at a distance which provides the recipient with a written record of the communicated content), or other documents.
仲裁合意は、当事者の全部が署名した文書、当事者が交換した書簡又は電報（ファクシミリ装置その他の隔地者間の通信手段で文字による通信内容の記録が受信者に提供されるものを用いて送信されたものを含む。）その他の書面によってしなければならない。