(a) IdentificationNot later than 180 days after August 10, 2012, and annually thereafter, the President shall publish a list of each individual the President determines is—
(b) Senior officials of the Government of Iran describedA senior official of the Government of Iran described in this subsection is any senior official of that Government, including—
(c) Exclusion from United States
Except as provided in subsection (d), the Secretary of State shall deny a visa to, and the Secretary of Homeland Security shall exclude from the United States, any alien who is on the list required by subsection (a).
(d) Exception to comply with United Nations Headquarters agreement
Subsection (c) shall not apply to an individual if admitting the individual to the United States is necessary 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.