Treaties and other international acts series. 2531. Mexican agricultural workers, agreements between United States and Mexico, amending agreement of Aug. 11, 1951, effected by exchange of notes signed México Jan. 10 and 31, 1952, entered into force Jan. 31, 1952 and extending agreement of Aug. 11, 1951, effected by exchanges of notes signed México Feb. 8, 1952, entered into force Feb. 8, 1952 and signed México Mar. 31. and Apr. 9, 1952; entered into force Apr. 9, 1952.

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