Treaties and other international acts series. 2483. Agriculture, cooperative program in Bolivia, agreement between United States and Bolivia, superseding memorandum of understanding of Apr. 6, 1943, as modified, effected by exchange of notes, signed La Paz June 13 and 18, 1952; entered into force June 27, 1952, with agreements modifying memorandum of understanding of Apr. 6, 1943 effected by exchange of notes, signed La Paz May 17 and June 4, 1948; entered into force June 4, 1948, signed La Paz June 16, 1952; entered into force June 16, 1952.