[3] The treaty was negotiated by Edmund Roberts in his capacity as Minister of the United States on behalf of President Andrew Jackson, with the Chau Phaya-Phraklang in his capacity as Minister of State on behalf of His Majesty the Sovereign and Magnificent King in the City of Sia-Yut'hia (later known as Rama III.)

The treaty exists in two original language versions, in Thai and English, with translations in Portuguese and Chinese.

Its physical form is a scroll, about 90 inches (2.3 meters) long, with the four different language versions running next to one another for that entire length.

It was concluded on (as its preamble says) "Wednesday, the last of the fourth month of the year 1194, called Pi-marong-chat-tavasok, or the year of the Dragon, corresponding to "March 20, 1833, at the Royal City of Sia-Yut'hia, (commonly called Bangkok[7]), pending final Ratification of the President of the United States of America, by and with the advice and consent of the Senate.

After the reign of King Rama V, the sensitive position of advisor on foreign affairs would be given to Americans and not to either English or French nationals.