Treaties and other international acts series. 2120. Health and sanitation, cooperative program in Mexico, agreement between United States and Mexico, extending and modifying agreement of June 30 and July 1, 1943, as extended and amended, effected by exchange of notes signed Mexico Oct. 7 and 14, 1949l entered into force Oct. 27, 1949, operative retroactively from June 30, 1949.

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