68 S T A T. ]
PUBLIC LAW 6 6 5 ~ A U G. 26, 1954
S59
uses, and to be used for reimbursement of appropriations or direct expenditure subject to the provisions of this Act, any unexpended balance of such account to be returned to the international organization; or (4) subject to the receipt by the United States of a credit to be applied against the payment by the United States of its share of the expenses of the international organization to which the officer or employee is detailed, such credit to be based upon the compensation, travel expenses and allowances, or any part thereof, payable to such officer or employee during the period of assignment or detail in accordance with subsection (b) of this section. SEC. 530. EXPERTS AND CONSULTANTS OR ORGANIZATIONS THEREOF.—
(a) Experts and consultants or organizations thereof, as authorized by section 15 of the Act of August 2, 1946 (5 U.S.C. 55a), may be employed by any United States Government agency for the performance of functions under this Act, and individuals so employed may be compensated at rates not in excess of $75 per diem, and while away from their homes or regular places of business, they may be paid actual travel expenses and per diem in lieu of subsistence and other expenses at a rate not to exceed $10 while so employed within the continental limits of the United States and at the applicable rate prescribed in the Standardized Government Travel Regulations (Foreign Areas) while so employed outside the continental limits of the United States, (b) Persons of outstanding experience and ability may be employed without compensation by any United States Government agency for the performance of functions under this Act in accordance with the provisions of section 710(b) of the Defense Production Act of 1950, as amended (50 U.S.C. App. 2160), and regulations issued thereunder. SEC. 531. SECURITY CLEARANCE,—No citizen or resident of the United States may be employed, or if already employed, may be assigned to duties by the Director under this Act for a period to exceed three months unless— (a) such individual has been investigated as to loyalty and security by the Civil Service Commission, or by the Federal Bureau of Investigation in the case of specific positions which have been certified by the Director as being of a high degree of importance or sensitivity or in case the Civil Service Commission investigation develops data reflecting that the individual is of questionable loyalty, and a report thereon has been made to the Director, and until the Director has certified in writing (and filed copies thereof with the Senate Committee on Foreign Relations and the House Committee on Foreign Affairs) that, after full consideration of such report, he believes such individual is loyal to the United States, its Constitution, and form of government, and is not now and has never knowingly been a member of any organization advocating contrary views; or (b) such individual has been investigated by a military intelligence agency and the Secretary of Defense has certified in writing that he believes such individual is loyal to the United States and filed copies thereof with the Senate Committee on Foreign Relations and the House Committee on Foreign Affairs. This section shall not apply in the case of any officer appointed by the President by and with the advice and consent of the Senate, nor shall it apply in the case of any person already employed under programs covered by this Act who has been previously investigated in connection with such employment. SEC. 532. EXEMPTION OF PERSONNEL FROM CERTAIN FEDERAL LAWS.—
(a) Service of an individual as a member of the Board established pursuant to section 308 of this Act or as an expert or consultant under
60 Stat. 810.
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