Article 31Time Limit of Statements by the Parties

①An arbitration petitioner (meaning a party that carried out acts to commence the arbitration procedure; the same applies hereinafter) must state the object of a petition, the facts supporting their petition and points of the dispute within the period determined by the arbitral tribunal. In this case, the arbitration petitioner may submit all documentary evidence they consider necessary to be examined or quote documentary evidence or other evidence they plan to submit.

②An arbitration respondent (meaning the party to the arbitration procedure other than the arbitration petitioner; the same applies hereinafter) must state their allegation regarding the matters stated pursuant to the provisions of the preceding paragraph, within the period determined by the arbitral tribunal. In this case, the provisions of the second sentence of that paragraph apply mutatis mutandis.

③All parties may amend or supplement their statements during the course of the arbitration procedure; provided, however, that if the amendment or supplement has been made outside the appropriate time, the arbitral tribunal may decide not to allow that amendment or supplement.