22 U.S.C. § 2393a

None of the funds made available pursuant to the provisions of this chapter shall be used to carry out any provision of this chapter in any country or with respect to any project or activity, after the expiration of the thirty-five-day period which begins on the date the Government Accountability Office or any committee of the Congress charged with considering legislation, appropriations or expenditures under this chapter, has delivered to the office of the head of any agency carrying out such provision, a written request that it be furnished any document, paper, communication, audit, review, finding, recommendation, report, or other material in its custody or control relating to the administration of such provision in such country or with respect to such project or activity, unless and until there has been furnished to the Government Accountability Office, or to such committee, as the case may be, (1) the document, paper, communication, audit, review, finding, recommendation, report, or other material so requested, or (2) a certification by the President that he has forbidden the furnishing thereof pursuant to request and his reason for so doing.