section. (2) Issuance of regulations Not later than 180 days after the date of the enactment of this Act, the President shall prescribe such regulations as may be necessary to implement this section. (3) Notification to Congress Not later than 10 days before the promulgation of a regulation under paragraph (2) , the President shall brief the appropriate congressional committees on the proposed regulation and the provisions of this section implemented by such regulation. (f) Rule of construction Nothing in this section may be construed— (1) to limit the authorities of the President pursuant to the International Emergency Economic Powers Act ( 50 U.S.C. 1701 et seq.) or any other relevant provision of law