; or (iii) conducting any transaction involving such property. (I) 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. (J) 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. (K) Sanctions on principal executive officers The President may impose on the principal executive officer or officers of the foreign person, or on persons performing similar functions and with similar authorities as such officer or officers, any of the sanctions under this paragraph. (e) Exceptions (1) Exception to comply with united nations headquarters agreement Sanctions under this subsection shall not apply with respect to the admission of an alien to the United States if the admission of the alien is necessary to permit the United States to comply with the Agreement regarding the Headquarters of the United Nations, signed at Lake Success June 26, 1947, and entered into force November 21, 1947, between the United Nations and the United States, the Convention on Consular Relations, done at Vienna April 24, 1963, and entered into force March 19, 1967, or other applicable international obligations. (2) Exception relating to importation of goods (A) In general A requirement or the authority to block and prohibit all transactions in all property and interests in property under this section shall not include the authority to impose sanctions on the importation of goods. (B) Good defined In this paragraph, the term good means any article, natural or man-made substance, material, supply or manufactured product, including inspection and test