June 23, 1868
To the Senate of the United States:
I transmit to the Senate a copy of a dispatch addressed to the Department of State by the consul of the United States at Bangkok, Siam, dated December 31, 1867, with a view to its consideration and the ratification thereof, of the modification proposed by the royal counselors of the Kingdom of Siam in Article I of the general regulations which form a part of the treaty between the United States and that Kingdom concluded May 29, 1856, of which a printed copy is also herewith transmitted.
ANDREW JOHNSON.
Andrew Johnson, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/202715