Artikel XIII

1. a) 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, shall as soon as possible consult with such territory in an endeavour to extend the present Convention to that territory, and may at any time by notification in writing given to the Secretary-General declare that the Convention shall extend to such territory.
b) 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.
c) The provisions of article VIII of the present Convention shall apply to any territory to which the Convention is extended in accordance with the present article; for this purpose, the expression “its own formalities, documentary requirements or procedures” shall include those in force in that territory.
d) The present Convention shall cease to extend to any territory one year after the receipt by the Secretary-General of a notification to this effect, or on such later date as may be specified therein.
2. The Secretary-General shall inform all the Contracting Governments of the extension of the present Convention to any territory under paragraph 1 of this article, stating in each case the date from which the Convention has been so extended.