INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [57 STAT. Supplementary agreement between the United States of America and Costa Rica respecting cooperative rubber investigations in Costa Rica. Effected by exchange of notes signed at San Jose April 3, 1943; effec- tive April 3, 1943. The American Minister to the Costa Rican Secretary of Statefor Foreign Affairs No. 420. LEGATION OF THE UNITED STATES OF AMERICA SAN JosE, COSTA RICA, April 3, 1943. 55 Stat. 1368 . Sale of products, procedures. EXCELLENCY: I have the honor to refer to the agreement for cooperative rubber investigations in Costa Rica, between the United States of America and the Republic of Costa Rica, effected by notes dated April 19, 1941 and June 16, 1941 exchanged between the American Charge d'Affaires ad interim and Your Excellency. I have the honor now to inform you that as a result of practical considerations which have arisen in connection with the establish- ment and operation of the rubber experiment station in accordance with the above-mentioned agreement, it has been found to be desir- able that a supplementary agreement be entered into between the United States of America and the Republic of Costa Rica for the purpose of defining more clearly certain procedures affecting the sale of products grown on the lands used by the said rubber experiment station and in order to facilitate the continued development of rubber investigations and demonstration plantings in Costa Rica. Accordingly, I have the honor to inform Your Excellency that the Government of the United States of America is prepared to give effect to a supplementary agreement relating to cooperative rubber investigations in Costa Rica in the following terms: ARTICLE I In the sale of products which have been grown and are now on, or which are or may be developed or cultivated as a result of rubber investigations and demonstration plantings on, the lands owned by the Government of the Republic of Costa Rica and provided by the Government of the Republic of Costa Rica for the establishment and operation by the Department of Agri- culture of the United States of America of a rubber experiment station, in accordance with the agreement for cooperative rubber investigations in Costa Rica, between the Government of the United States of America and the Government of the Republic of Costa Rica, effected by an exchange of notes dated April 19, April 3, 1943 [E. A. S. 318] 944
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