Treaties and other international acts series. 1740. Education, cooperative program in Peru, arrangement between United States and Peru, effected by exchange of notes signed Lima Apr. 1 and 15, 1944, entered into force Apr. 15, 1944, and memorandum of agreement signed Lima Apr. 4, 1944, effective Apr. 4, 1944, supplementary agreement 1, signed Lima Jan. 30, 1945, entered into force Jan. 30, 1945, supplement to memorandum of agreement, signed Apr. 30, 1945; entered into force Apr. 30, 1945.