Subject to paragraph (2), the Secretary of State shall deny a visa to, and the Secretary of Homeland Security shall exclude from the United States, any alien who, on or after August 10, 2012, is a foreign person designated pursuant to subsection (a) for the imposition of sanctions pursuant to the International Emergency Economic Powers Act (50 U.S.C. 1701 et seq.).
The requirement to deny visas to and exclude aliens from the United States pursuant to paragraph (1) shall be subject to such regulations as the President may prescribe, including regulatory exceptions to permit the United States to comply with the Agreement between the United Nations and the United States of America regarding the Headquarters of the United Nations, signed June 26, 1947, and entered into force November 21, 1947, and other applicable international obligations.