; (II) promptly investigate any activity by foreign entities that, in the opinion of the Secretary, may be cause for reporting under clause (i); and (III) promptly conclude, and reach a decision with respect to, any investigation commenced under subclause (II). (iii) Transmission to Congress Not later than 15 days after submitting a report to the President under clause (i), Secretary of State shall transmit the report to Congress. (B) Penalties After receiving a report under subparagraph (A)(i) with respect to a country, the President may impose such economic, diplomatic, or other penalties as the President considers appropriate with respect to that country or nationals of that country, including the following: (i) Prohibition on importation The President may direct the Secretary of the Treasury to prohibit the importation into the United States of any articles from the country for such period of time as the President determines appropriate and to the extent that such prohibition is permitted by the World Trade Organization (as defined in section 2(8) of the Uruguay Round Agreements Act ( 19 U.S.C. 3501(8) )) or pursuant to the multilateral trade agreements (as defined in section 2(4) of the Uruguay Round Agreements Act ( 19 U.S.C. 3501(4) )). (ii) Exclusion from United States (I) In general 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 national of the country described in subparagraph (A)(II). (II) Exception to comply with international obligations and for law enforcement activities Subclause (I) shall not apply with respect to an individual if admitting or paroling the individual into the United States is necessary— (aa) 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, or other applicable international obligations