Treaties and other international acts series. 2159. Health and sanitation, cooperative program in Uruguay, agreement between United States and Uruguay, modifying and extending agreement of Oct. 1 and Nov. 1, 1943, as modified and extended, effected by exchange of notes signed Montevideo June 25 and July 20, 1948; entered into force Oct. 7, 1948, operative retroactively July 1, 1948.

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