177 Article 10 Right of parties to modify procedure The parties to the dispute may by agreement applicable solely to that dispute modify any provision of this Annex. SECTION 2. COMPULSORY SUBMISSION TO CONCILIATION PROCEDURE PURSUANT TO SECTION 3 OF PART XV Article 11 Institution of proceedings 1. Any party to a dispute which, in accordance with Part XV, section 3, may be submitted to conciliation under this section, may institute the proceedings by written notification addressed to the other party or parties to the dispute. 2. Any party to the dispute, notified under paragraph 1, shall be obliged to submit to such proceedings. Article 12 Failure to reply or to submit to conciliation The failure of a party or parties to the dispute to reply to notification of institution of proceedings or to submit to such proceedings shall not constitute a bar to the proceedings. Article 13 Competence A disagreement as to whether a conciliation commission acting under this section has competence shall be decided by the commission. Article 14 Application of section 1 Articles 2 to 10 of section l of this Annex apply subject to this section. ANNEX VI. STATUTE OF THE INTERNATIONAL TRIBUNAL FOR THE LAW OF THE SEA Article 1 General provisions 1. The International Tribunal for the Law of the Sea is constituted and shall function in accordance with the provisions of this Convention and this Statute. 2. The seat of the Tribunal shall be in the Free and Hanseatic City of Hamburg in the Federal Republic of Germany. 3. The Tribunal may sit and exercise its functions elsewhere whenever it considers this desirable.