Pub. L. 107-115, tit. V, sec. 523

Sec. 523. None of the funds appropriated or otherwise made available pursuant to this Act shall be obligated to finance indirectly any assistance or reparations to Cuba, Iraq, Libya, Iran, Syria, North Korea, or Sudan, unless the President of the United States certifies that the withholding of these funds is contrary to the national interest of the United States.