Artikel IV

If the Japanese Government or the Government of the Allied Power fails to appoint a member within thirty days of the request referred to in Article II or, if the two Governments fail to agree on the appointment of a third member within ninety days of the request referred to in Article II, the Government which has already appointed a. member in the first case, and either the Government of the Allied Power or the Japanese Government in the second case may request the President of the International Court of Justice to appoint such member or members. Any vacancy which may occur in the membership of a commission shall be filled in the manner provided in Articles II and III.