63 STAT.] MEXICO-HEALTH AND SANITATION-FEB. 10, 14, 1949 the parties for the cooperative health and sanitation program shall continue to remain available for such program during the period of this Extension Agreement and no additional financial contributions are required to be made by the parties hereto to or on behalf of the Direcci6n for the purpose of carrying on the program during the period comprehended by this Extension Agreement. CLAUSE IV The parties hereto, by written agreement of the Secretary and the Chief of Field Party, may provide for contributions of funds by either or both parties, or by third parties, for use in effectuating the cooperative health and sanitation program in addition to the funds required to be contributed and made available by this Extension Agreement and the Basic Agreement. CLAUSE V The Basic Agreement shall remain in full force and effect for the purpose of extending the cooperative health and sanitation pro- gram, as provided herein, and all provisions of the Basic Agreement, as well as all the agreements, decrees and laws of the Mexican Government that complement it shall be applicable to all operations and activities under this Extension Agreement to the same extent and with the same effect as though expressly set forth herein: EXCEPT that the Basic Agreement, in its application to the period provided for in this Extension Agreement, shall be deemed to be amended and supplemented by the provisions of this Extension Agreement, including the following particulars: 1. The parties hereto declare their recognition that the Institute, being a corporate instrumentality of the United States of America, wholly owned, directed, and controlled by the Government of the United States of America, is entitled to share fully in all the privi- leges and immunities, including immunity from suit in the courts of the United States of Mexico, which are enjoyed by the United States of America. 2. The parties hereto agree that any funds of the Direcci6n which remain unexpended on the termination of this Extension Agreement shall be disposed of in accordance with a written agree- ment between the Secretary and the Chief of Field Party. 3. By mutual agreement between the Secretary and the Chief of Field Party, funds of the Direcci6n may be used to reimburse or defray the salaries, living expenses, travel and transportation costs, and other expenses of such additional personnel of the Health and Sanitation Division of the Institute in Mexico as the parties men- tioned may agree are necessary to be employed, in addition to the employees referred to under Clause II hereof. Such funds may be contributed or granted for such purposes by the Direcci6n to the Institute or to any other organization, but in every case the Secre- tary and the Chief of Field Party will enter into a written project agreement setting forth the scope and the other necessary terms of such contributions or grants. Provision for addi- tional contributions. Force and effect of Basic Agreement. Privileges and im- munities. Unexpended fund. Use of funds. I 2853
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