Agreement between the United States and France extending the duration of the arbitration convention of February 10, 1908 1
Washington , February 13, 1918 .
File No. 711.5112/64a
Washington , February 21, 1918 .
File No. 711.5112/63a
 Agreement signed at Washington, February 27, 1918; ratification advised by the Senate, March 26, 1918; ratified by the President, April 8, 1918; ratified by France, April 13, 1918; ratifications exchanged at Washington, May 15, 1918; proclaimed, May 16, 1918
Done at the City of Washington this sixteenth day of May in the year of our Lord one thousand nine hundred and eighteen, and of the Independence of the United States of America the one hundred and forty-second.
Treaty Series No. 631