Art. 4. The present Convention which bearing the date of this day, may be signed until 1 October 1905 by the Powers expressing their desire to do so, shall be ratified as soon as possible.
The ratifications shall be deposited at The Hague.
A ' procès-verbal ' of the deposit of the ratifications shall be drawn up and a copy thereof, duly certified, shall be delivered through the diplomatic channel to all the Contracting Powers.