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Treaty relating to the Use of Submarines and Noxious Gases in Warfare. Washington, 6 February 1922.
Art. 6. The present Treaty shall be ratified as soon as possible in accordance with the constitutional methods of the Signatory Powers and shall take effect on the deposit of all the ratifications, which shall take place at Washington.
The Government of the United States will transmit to all the Signatory Powers a certified copy of the ' procès-verbal ' of the deposit of ratifications.
The present Treaty, of which the French and English texts are both authentic, shall remain deposited in the archives of the Government of the United States, and duly certified copies thereof will be transmitted by that Government to each of the Signatory Powers.