Treaties and other international acts series. 2118. Cooperative agricultural program in Paraguay, agreements between United States and Paraguay, modifying and extending agreement of Dec. 31, 1942, as modified and extended, effected by exchange of notes, signed Asunción July 22 and Aug. 11, 1949, entered into force Sept. 2, 1949, operative retroactively from June 30, 1949, and exchange of notes signed Asunción June 30, 1948, entered into force July 16, 1948, operative retroactively from June 30, 1948, and exchange of notes signed Asunción Jan. 20 and Mar. 3, 1947, entered into force Mar. 3, 1947, operative from Dec. 31, 1947.