Its wordings
Arbitration Act
Article 28, paragraph (2)
第二十八条第二項
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
If an agreement referred to in the preceding paragraph has not been reached, the arbitral tribunal is to decide the place of arbitration by taking into consideration the circumstances of the dispute, including the convenience of the parties.
前項の合意がないときは、仲裁廷は、当事者の利便その他の紛争に関する事情を考慮して、仲裁地を定める。