; (B) ineligible to receive a visa or other documentation to enter the United States; and (C) otherwise ineligible to be admitted or paroled into the United States or to receive any other benefit under the Immigration and Nationality Act ( 8 U.S.C. 1101 et seq.). (2) Current visas revoked (A) In general A foreign person on the list required by section 2(a)(2) is subject to revocation of any visa or other entry documentation, regardless of when the visa or other entry documentation is or was issued. (B) Immediate effect A revocation under subparagraph (A) shall— (i) take effect immediately; and (ii) automatically cancel any other valid visa or entry documentation that is in the alien’s possession. (c) Exception To comply with international obligations Sanctions under subsection (b) shall not apply with respect to a foreign person if admitting or paroling the person 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 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. (d) Waiver in the interest of national security The President may waive the application of subsection (b) with respect to a foreign person who is A–1 visa eligible and who is present in or seeking admission into the United States for purposes of official business if the President— (1) determines that such a waiver is in the national security interests of the United States