Pub. L. 102-140, tit. V, sec. 502

Sec. 502. None of the funds made available by this Act may be obligated or expended by the Department of State for contracts with any foreign or United States firm that complies with the Arab League Boycott of the State of Israel or with any foreign or United States firm that discriminates in the award of subcontracts on the basis of religion: Provided, That the Secretary of State may waive this provision on a country-by-country basis upon certification to the Congress by the Secretary that such waiver is in the national interest and is necessary to carry on the diplomatic functions of the United States.