Page:United States Statutes at Large Volume 63 Part 3.djvu/339

 2644 INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [63 STAT. (f) to provide entry free from customs duties for all scientific materials and supplies, including automobiles, belonging to the Government of the United States of America and destined for the professional use of the United States scientists assigned to Mexico in accordance with the present agreement. 4. Revisions. The present agreement may be revised, amended, or changed in whole or in part with the approval of both Governments, as embodied in and effected by an exchange of notes between the two Governments. 5. Term. The present agreement shall remain in force until June 30, 1953 and may be continued in effect for additional periods through written agreement to that effect by the two Governments, but either Government may terminate the present agreement by giving to the other Government notice in writing ninety days in advance. If the Congress of either country should fail to make available the funds necessary for the execution of the present agreement, either Govern- ment may terminate the present agreement by giving to the other Government notice in writing sixty days in advance. Upon the receipt of a note from Your Excellency indicating that the foregoing principles and procedures are acceptable to the Govern- ment of the United Mexican States, the Government of the United States of America will consider that this note and your reply constitute an agreement between the two Governments on this subject, which shall be considered effective from July 1, 1948. Accept, Excellency, the renewed assurances of my highest con- sideration. JAMES E. WEBB Acting Secretary of State His Excellency Sefior Don RAFAEL DE LA COLINA, Ambassador of Mexico. The Mexican Ambassador to the Acting Secretary of State EMBAJADA DE MEXICO s146 WASHINGTON, D. C., a 21 de junio de 1949. SErOR SECRETARIO: Tengo el honor de referirme al acuerdo celebrado entre los Estados Unidos Mexicanos y los Estados Unidos de America en relaci6n a un programa cooperativo de estudios e investigaciones antropologicas segun canje de notas efectuado en la ciudad de M6xico el 4 de diciembre de 1943 y el 19 de abril de 1944 y de informar a Vuestra Excelencia que el Gobierno de los Estados Unidos Mexicanos conviene en continuar el programa cooperativo de estudios e investigaciones antropol6gicas en Mexico, el cual sera llevado a cabo por el Instituto Nacional de Antro- pologia e Historia de la Secretarfa de Educaci6n Publica, en nombre

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