Article 5: Answer and Counterclaim

5.1 The Respondent shall file an Answer within twenty-one (21) days of receipt of the Request.

5.2 The Answer shall state:

5.2.1 the Respondent’s response to the claims; 5.2.2 any objection to the existence, validity, or applicability of the arbitration agreement; 5.2.3 any objection to the Track, seat, language, substantive law, or constitution of the Tribunal proposed by the Claimant; 5.2.4 any counterclaim, with the particulars required under Article 4.2; 5.2.5 any disclosure required under Article 52.

5.3 The Claimant shall file a Reply to any counterclaim within fourteen (14) days.

5.4 The Registrar may, on written application and for sufficient cause, extend the periods under this Article by up to seven (7) days. Further extensions require leave of the Tribunal once constituted.