Article VII Genocide and the other acts enumerated in article III shall not be considered as political crimes for the purpose of extradition. The Contracting parties pledge themselves in such cases to grant extradition in accordance with their laws and treaties in force. Article VIII Any Contracting Party may call upon the competent organs of the United Nations to take such action under the Charter of the United Nations as they consider appropriate for the prevention and suppression of acts of genocide or any of the other acts enumerated in article III. Article IX Disputes between the Contracting Parties relating to the interpretation, application or fulfilment of the present Convention, including those relating to the responsibility of a State for genocide or for any of the other acts enumerated in article III, shall be submitted to the International Court of Justice at the request of any of the parties to the dispute. Article X The present Convention, of which the Chinese, English, French, Russian and Spanish texts are equally authentic, shall bear the date of 9 December 1948. Article XI The present Convention shall be open until 31 December 1949 for signature on behalf of any Member of the United Nations and of any non-member State to which an invitation to sign has been addressed by the General Assembly. The present Convention shall be ratified, and the instruments of ratification shall be deposited with the Secretary-General of the United Nations. After 1 January 1950, the present Convention may be acceded to on behalf of any Member of the United Nations and of any non-member State which has received an invitation as aforesaid. Instruments of accession shall be deposited with the Secretary-General of the United Nations. Article XII Any Contracting Party may at any time, by notification addressed to the Secretary-General of the United Nations, extend the application of the present Convention to all or any of the territories for the conduct of whose foreign relations that Contracting Party is responsible. Article XIII On the day when the first twenty instruments of ratification or accession have been deposited, the Secretary-General shall draw up a procès-verbal and transmit a copy thereof to each Member of the United Nations and to each of the non-member States contemplated in article XI.