; relating to blocking property of weapons of mass destruction delivery system proliferators and their supporters) or Executive Order 13224 ( 50 U.S.C. 1701 note; relating to blocking property and prohibiting transactions with persons who commit, threaten to commit, or support terrorism), and imposed as a result of activities described in subsection (b), that are in effect on the day before the date of the enactment of this Act, shall remain in effect until the date that is 90 days after the date on which the President submits to the appropriate congressional committees the certification described in subsection (c) with respect to the person. (b) Activities described An activity described in this subsection is— (1) any activity that materially contributes to the activities of the Government of Iran with respect to its ballistic missile program