Artikel 30

1. Any Contracting Party may, at the time of signing this Convention without reservation of ratification or of depositing its instrument of ratification or accession, or at any time thereafter, declare by notification given to the depositary that this Convention shall extend to all or any of the territories for whose international relations it is responsible. Such notification shall take effect three months after the date of the receipt thereof by the depositary. However, this Convention shall not apply to the territories named in the notification before this Convention has entered into force for the Contracting Party concerned.
2. Any Contracting Party which has made a notification under paragraph 1 of this Article extending this Convention to any territory for whose international relations it is responsible may notify the depositary, under the procedure of Article 31 of this Convention, that the territory in question will no longer apply this Convention.