INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [57 STAT. June 21 and July 1, Agreement between the United States of America and Costa Rica con- [ 14 335] tinuing in force the agreement of April 19 and June 16, 1941, as amended by the supplementary agreement of April 3, 1943, respecting cooperative rubber investigations in Costa Rica. Effected by exchange of notes signed at San Jos6 June 21 and July 1, 1943. The American Ambassador to the Costa Rican Secretary of State for Foreign Affairs EMBASSY OF THE UNITED STATES OF AMERICA SAN Josh, COSTA RICA No. 22 June 21, 194S 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 55 Stat. 1368. ad interim and Your Excellency, and to the supplementary agree- ment effected by notes dated April 3, 1943 exchanged between the Ante, p. 94 American Minister and Your Excellency. 55 Stat. 1371. Article IV of the agreement of April 19 and June 16, 1941 provides as follows: "This agreement shall come into effect on the day on which it is signed, and shall remain in force until six months from the day on which either contracting government shall have given notice in writing to the other government of its intention to terminate the agreement; provided, however, that the agreement shall not remain in force after June 30, 1943, except at the option of the Department of Agriculture of the United States of America, which option shall be notified to the Government of Costa Rica by the Government of the United States of America at least one month prior to that date." I have the honor to inform Your Excellency that it is the desire and the option of the Department of Agriculture of the United States of America that the agreement of April 19 and June 16, 1941, above- mentioned, as amended by the supplementary agreement of April 3, 1943, should continue in force after June 30, 1943, subject to the pro- vision with respect to termination which is contained in the first part of Article IV of the agreement of April 19 and June 16, 1941. In view of the fact that it has not been practicable to give this notice to your Government "at least one month prior to" June 30, 1943, I have the honor to suggest that, if agreeable to the Government of the Republic of Costa Rica, this note, together with your note in acknowledgment thereof, shall be regarded as placing on record the 1048
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