INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [63 STAT. (e) To grant free entry, in accordance with the limitations set for First Secretaries in the Diplomatic Corps accredited to the Govern- ment of Perd, for personal effects of the members of the Smithsonian Institution assigned to carry on ethnological studies in Perd, any customs duties in excess of those limitations to be paid by the respec- tive members; (f) To grant exemption from all Peruvian taxes on salaries or personal property of the American scientists detailed under 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 indicated and effected by an exchange of notes between the two Governments. 5. Term. The present agreement shall remain in effect until June 30, 1953 and may be continued in force for additional periods by 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. The present Agreement, upon its entry into force, shall supersede the agreement between the United States of America and Perd re- garding anthropological research and investigation which was effected 8sstat. 1518 . by exchange of notes signed in Lima on March 9 and August 4, 1944. Entry into force. Upon the receipt of a note from Your Excellency indicating that the foregoing principles and procedures are acceptable to the Govern- ment of.Perd, 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 in force from July 1, 1948. Accept, Excellency, the renewed assurances of my highest consid- eration. HAROLD H. TITTMANN Ambassador His Excellency Contralmirante FEDERICO DfAz DULANTO, Minister of Foreign Affairs Lima. The'PeruvianMinister of ForeignAffairs to the American Ambassador MINISTERIO DE RELACIONEB EXTERIOREB Y CULTO N-3/49 LauA, 26 de marzo de 1949 SEROR EMBAJADOR: Tengo a honra referirme al Convenio entre los Estados Unidos de America y el Peri sobre estudios e investigaciones Antropol6gicas, que 2636
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