April 15, 1840
To the Senate and House of Representatives of the United States:
I transmit a copy of a convention for the adjustment of claims of citizens of the United States upon the Government of-the Mexican Republic, for such legislative action on the part of Congress as may be necessary to carry the engagements of the United States under the convention into full effect.
M. VAN BUREN.
Martin van Buren, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/200901