Sanctions described— The sanctions described in this subsection are the exercise all of the powers granted to the President by the International Emergency Economic Powers Act (
50 U.S.C. 1701 et seq.) to the extent necessary to block and prohibit all transactions in property and interests in property of a foreign person if such property and interests in property are in the United States, come within the United States, or are or come within the possession or control of a United States person.