; or (C) conducting any transaction involving such property. (7) Ban on investment in equity or debt of sanctioned person The President may, pursuant to such regulations or guidelines as the President may prescribe, prohibit any United States person from investing in or purchasing significant amounts of equity or debt instruments of the foreign person. (8) Exclusion of corporate officers The President may direct the Secretary of State to deny a visa to, and the Secretary of Homeland Security to exclude from the United States, any alien that the President determines is a corporate officer or principal of, or a shareholder with a controlling interest in, the foreign person. (9) Sanctions on principal executive officers The President may impose on the principal executive officer or officers of the foreign person, or on individuals performing similar functions and with similar authorities as such officer or officers, any of the sanctions described in paragraphs (1) through (8) that are applicable. (b) Penalties A person that violates, attempts to violate, conspires to violate, or causes a violation of any regulation, license, or order issued to carry out subsection (a) shall be subject to the penalties set forth in subsections (b) and (c) of section 206 of the International Emergency Economic Powers Act ( 50 U.S.C. 1705 ) to the same extent as a person that commits an unlawful act described in subsection (a) of that section. (c) Exceptions (1) Intelligence activities Sanctions under this section shall not apply with respect to any activity subject to the reporting requirements under title V of the National Security Act of 1947 ( 50 U.S.C. 3091 et seq.) or to any authorized intelligence activities of the United States. (2) Exception to comply with United Nations headquarters agreement Sanctions under subsection (a)(8) shall not apply to an alien if admitting the alien into the United States is necessary to permit the United States to comply with the Agreement regarding the Headquarters of the United Nations, signed at