Treaties and other international acts series. 2215. Education, cooperative program in Ecuador, agreements between United States and Ecuador, extending program, effected by exchange of notes signed Quito Aug. 14 and 24, 1949, entered into force Aug. 25, 1949 operative retroactively from June 30, 1949 and exchange of notes signed Quito Aug. 16 and 21, 1948; entered into force Aug. 25, 1948, operative retroactively from June 30, 1948.