Art. 11. The present Convention shall remain in force for seven years, dating from the sixtieth day after the date of the first deposit of ratifications.
Unless denounced, it shall continue in force after the expiration of this period.
The denunciation shall be notified in writing to the Netherlands Government, which shall at once communicate a duly certified copy of the notification to all the Powers, informing them of the date on which it was received.
The denunciation shall only have effect in regard to the notifying Power, and six months after the notification has reached the Netherlands Government.