Pub. L. 89-691, tit. I, sec. 111

Sec. 111. None of the funds appropriated or made available by this or any predecessor Act for the years subsequent to fiscal year 1962 for carrying out the Foreign Assistance Act of 1961, as amended, may be used on or after 60 days from the date of enactment of this Act to make payments with respect to any contract for the performance of services outside the United States by United States citizens unless the President shall have promulgated regulations that provide for the investigation of such citizens for loyalty and security to the extent necessary to protect the security and other interests of the United States: Provided, That such regulations shall require that any such United States citizen who will have access, in connection with the performance of such services, to information or material classified for security reasons shall be subject to such investigation as may otherwise be provided by law and executive order.