ARTICLE XXI
This Convention shall, after it has come into force, be open for adherence by non-signatory States.
(2) Adherence shall be effected by the deposit of an instrument of adherence in the archives of the International Civil Aviation Organization, which shall give notice of the date of the deposit to each signatory and adhering State.
(3) Adherence shall take effect as from the ninetieth day after the date of the deposit of the instrument of adherence in the archives of the International Civil Aviation Organization.
ARTICLE XXII
(1) Any Contracting State may denounce this Convention by notification of denunciation to the International Civil Aviation Organization, which shall give notice of the date of receipt of such notification to each signatory and adhering State.
(2) Denunciation shall take effect six months after the date of receipt by the International Civil Aviation Organization of the notification of denunciation.
ARTICLE XXIII
(1) Any State may, at the time of deposit of its instrument of ratification or adherence, declare that its acceptance of this Convention does not apply to any one or more of the territories for the foreign relations of which such State is responsible.
(2) The International Civil Aviation Organization shall give notice of any such declaration to each signatory and adhering State.
(3) With the exception of territories in respect of which a declaration has been made in accordance with paragraph (1) of this Article, this Convention shall apply to all territories for the foreign relations of which a Contracting State is responsible.
(4) Any State may adhere to this Convention separately on behalf of all or any of the territories regarding which it has made a declaration in accordance with paragraph (1) of this Article and the provisions of paragraphs (2) and (3) of Article XXI shall apply to such adherence.
(5) Any Contracting State may denounce this Convention, in accordance with the provisions of Article XXII, separately for all or any of the territories for the foreign relations of which such State is responsible.
IN WITNESS WHEREOF the undersigned Plenipotentiaries, having been duly authorized, have signed this Convention.
DONE at Geneva, on the nineteenth day of the month of June of the year one thousand nine hundred and forty-eight in the English, French and Spanish languages, each text being of equal authenticity.
This Convention shall be deposited in the archives of the International Civil Aviation Organization where, in accordance with Article XVIII, it shall remain open for signature.
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