; (ii) ineligible for a visa or other documentation to enter the United States; and (iii) 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. ). (B) Current visas revoked (i) In general The issuing consular officer, the Secretary of State, or the Secretary of Homeland Security (or a designee of one of such Secretaries) shall, in accordance with section 221(i) of the Immigration and Nationality Act ( 8 U.S.C. 1201(i) ), revoke any visa or other entry documentation issued to an alien described in subparagraph (A) regardless of when the visa or other entry documentation is issued. (ii) Effect of revocation A revocation under clause (i)— (I) shall take effect immediately; and (II) shall automatically cancel any other valid visa or entry documentation that is in the alien’s possession. (c) Exceptions (1) Exception to comply with international obligations Sanctions under subsection (b)(2) shall not apply with respect to the admission of an alien if admitting or paroling the alien 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. (2) Exception relating to the provision of humanitarian assistance Sanctions under this section may not be imposed with respect to transactions or the facilitation of transactions for— (A) the sale of agricultural commodities, food, medicine, or medical devices; (B) the provision of humanitarian assistance; (C) financial transactions relating to humanitarian assistance