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(b) Denunciation shall be effected by a notification in writing addressed to the Organization which shall notify all the other Contracting Governments of any denunciation received and of the date of its receipt. (c) A denunciation shall take effect one year, or such longer period as may be specified in the notification, after its receipt by the Organization. Article XIII Territories (a) (i) The United Nations in cases where they are the administering authority for a territory, or any Contracting Government responsible for the international relations of a territory, may at any time by notification in writing given to the Organization declare that the present Convention shall extend to such territory. (ii) The present Convention shall from the date of the receipt of the notification or from such other date as may be specified in the notification extend to the territory named therein. (b) (i) The United Nations or any Contracting Government which has made a declaration under paragraph (a) of this Article, at any time after the expiry of a period of five years from the date on which the Convention has been so extended to any territory, may by a notification in writing given to the Organization declare that the present Convention shall cease to extend to any such territory named in the notification. (ii) The present Convention shall cease to extend to any territory mentioned in such notification one year, or such longer period as may be specified therein, after the date of receipt of the notification by the Organization. (c) The Organization shall inform all the Contracting Governments of the extension of the present Convention to any territories under paragraph (a) of this Article, and of the termination of any such extension under the provisions of paragraph (b), stating in each case the date from which the present Convention has been or will cease to be so extended. Article XIV Registration As soon as the present Convention comes into force it shall be registered by the Organization with the Secretary-General of the United Nations. Article XV Interim Arrangements (a) Unless and until the Organization, in accordance with the Convention on the Intergovernmental Maritime Consultative Organization signed at Geneva on the 6th March, 1948, takes over the duties assigned to it under the present Convention, the following provisions shall apply : (i) All duties which are assigned to the Organization, other than those set forth in Article IX, shall be carried out by the Government of the United Kingdom of Great Britain and Northern Ireland (hereinafter called the Government of the United Kingdom).

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