Whenever, under the Articles of Agreement of the Fund or the Articles of Agreement of the Bank, the approval, consent or agreement of the United States is required before an act may be done by the respective institutions, the decision as to whether such approval, consent, or agreement, shall be given or refused shall (to the extent such decision is not prohibited by
section 286c of this title) be made by the Council, under the general direction of the President. No governor, executive director, or alternate representing the United States shall vote in favor of any waiver of condition under article V, section 4, or in favor of any declaration of the United States dollar as a scarce currency under article VII, section 3, of the Articles of Agreement of the Fund, without prior approval of the Council.