No insured loan, loan guarantee, price guarantee, or purchase agreement may be committed to or made under this subchapter after , except that all conditional commitments for loan guarantees under this subchapter which were in existence on , are hereby extended through . This section shall not be construed to affect the authority of the Secretary concerned to spend funds after such date pursuant to any contract for financial assistance made on or before that date under this subchapter. Notwithstanding any other provision of this subchapter, the Secretary of Energy may modify the terms and conditions of any conditional commitment for a loan guarantee under this subchapter made before , including the amount of the loan guarantee. Nothing in this section shall be interpreted as indicating Congressional approval with respect to any pending conditional commitments under this Act.September 30, 19841984-09-30September 30, 19841984-09-30June 30, 19871987-06-30October 1, 19841984-10-01