SEC. 103. (a) The Administrator is hereby authorized and directed to determine within thirty days after enactment of this Act after full and complete consideration of the views of the Departments of State, Defense, and Commerce; the Economic Cooperation Administration; and any other appropriate agencies, and notwithstanding the provisions of any other law, which items are, for the purpose of this Act, arms, ammunition, and implements of war, atomic energy materials, petroleum, transportation materials of strategic value, and those items of primary strategic significance used in the production of arms, ammunition, and implements of war which should be embargoed to effectuate the purposes of this Act: _Provided_, That such determinations shall be continuously adjusted to current conditions on the basis of investigation and consultation, and that all nations receiving United States military, economic, or financial assistance shall be kept informed of such determinations. (b) All military, economic, or financial assistance to any nation shall, upon the recommendation of the Administrator, be terminated forthwith if such nation after sixty days from the date of a determination under section 103 (a) knowingly permits the shipment to any nation or combination of nations threatening the security of the United States, including the Union of Soviet Socialist Republics and all countries under its domination, of any item which he has determined under section 103 (a) after a full and complete investigation to be included in any of the following categories: Arms, ammunition, and implements of war, atomic energy materials, petroleum, transportation materials of strategic value, and items of primary strategic significance used in the production of arms, ammunition, and implements of war: _Provided_, That the President after receiving the advice of the Administrator and after taking into account the contribution of such country to the mutual security of the free world, the importance of such assistance to the security of the United States, the strategic importance of imports received from countries of the Soviet bloc, and the adequacy of such country's controls over the export to the Soviet bloc of items of strategic importance, may direct the continuance of such assistance to a country which permits shipments of items other than arms, ammunition, implements of war, and atomic energy materials when unusual circumstances indicate that the cessation of aid would clearly be detrimental to the security of the United States: _Provided further_, That the President shall immediately report any determination made pursuant to the first proviso of this section with reasons therefor to the Appropriations and Armed Services Committees of the Senate and of the House of Representatives, the Committee on Foreign Relations of the Senate, and the Committee on Foreign Affairs of the House of Representatives, and the President shall at least once each