63 STAT.] PERU-ANTHROPOLOGICAL BESEAROH--MAR. 17, 25, 1949 2641 (d) To grant free entry for the necessary professional material and equipment for the use of the scientists of the Smithsonian Institution; (e) To grant free entry, in accordance with the limitations set for First Secretaries in the Diplomatic Corps accredited to the Govern- ment of Peru, for personal effects of the members of the Smithsonian Institution assigned to carry on ethnological studies in Peru, 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 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 Government may terminate the present agreement by giving to the other Government a 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 Peru re- garding anthropological research and investigation which was effected by exchange of notes signed in Lima on March 9 and August 4, 1944. 8stt. -16 is I avail myself of this opportunity to renew to you, Mr. Ambassador, the assurances of my highest and most distinguished consideration. FDCO. DIAZ DULANTO Federico Diaz Dulanto His Excellency HAROLD TITTMAN, Jr. Ambassador Eztraordinaryand Plenipotentiary of the United States of America. Cty.
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