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1. Any Contracting Government may at any time after the coming into force of this Agreement in accordance with Article 23, declare in writing to the Government of the United Kingdom that the Agreement applies to all or any of its colonies, overseas territories, protectorates and territories under mandate or trusteeship, and the Agreement shall apply to the territory or territories named in the declaration from the date thereof.
2. The participation of any territory to which the Agreement has been applied under the preceding paragraph may be terminated by a notification in writing addressed to the Government of the United Kingdom, and the Agreement shall cease to apply to the territory or territories named in the notification six months after the date of the receipt thereof.
3. The Government of the United Kingdom shall inform the Governments referred to in Article 22 of all declarations received under paragraph 1 of this Article and all notification received under paragraph 2, and of the date on which such declarations or notifications take effect.