1701 et seq. ), all transactions in all property and interests in property of any person subject to subsection (a) 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. (2) Exclusion from United States The Secretary of State shall deny a visa to, and the Secretary of Homeland Security shall exclude from the United States, any person subject to subsection (a) that is an alien.