issues should be heard in one proceeding, the arbitral tribunal appointed in such proceedings as have been filed with the LCIA first in time shall have the discretion to determine whether, in the interests of justice and efficiency and taking into account the stage of the proceedings and all other relevant circumstances, the proceedings should be consolidated before that arbitral tribunal and any party should be joined to such proceedings. 9.9 Each party agrees that it may be joined as an additional party to an arbitration involving other parties under this Agreement or any document related to this Agreement. Any joined party (even if it chooses not to participate in the arbitral proceedings) shall be bound by any award rendered by the arbitral tribunal. 9.10 The law of this arbitration agreement shall be the law of England and Wales. 9.11 QIWI and OICL hereby irrevocably undertake to at all times maintain an agent with an address in England and Wales for service of process and any other documents in proceedings in England or any other proceedings in connection with 11 this Agreement, and to keep the other party advised of the identity and address of such agent, for so long as it has any obligations under thisAgreement. Any claim form, request for arbitration, judgement or any other notice of legal process whatsoever shall be sufficiently served on: (a) QIWI, if delivered to: (i) QIWI plc c/o Law Debenture Corporate Services Limited Fifth Floor 100 Wood Street London EC2V 7EX United Kingdom or (ii) if delivered to the last address notified to OICL as an address for service under this Clause 9. (b) OICL, if delivered to: (i) Otkritie Capital International Limited 12 Floor, 88 Wood Street London EC2V 7RS United Kingdom (or to any other registered office in England and