; and (II) shall automatically cancel any other valid visa or documentation that is in the possession of the alien who is the subject of such revocation. (3) Exception to comply with United Nations Headquarters Agreement Sanctions under paragraph (2) shall not apply to an alien if admitting 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. (4) Penalties The penalties provided for in subsections (b) and (c) of section 206 of the International Emergency Economic Powers Act ( 50 U.S.C. 1705 ) shall apply to a person that knowingly violates, attempts to violate, conspires to violate, or causes a violation of regulations promulgated under subsection (f) to carry out paragraph (1) of this subsection to the same extent that such penalties apply to a person that commits an unlawful act described in section 206(a) of such Act. (d) Implementation authority The President may exercise all authorities provided to the President under sections 203 and 205 of the International Emergency Economic Powers Act ( 50 U.S.C. 1702 and 1704) for purposes of carrying out this Act. (e) Regulatory authority The President shall, not later than 120 days after the date of the enactment of this Act, promulgate regulations as necessary for the implementation of this Act. (f) Definitions In this section: (1) Admitted; alien The terms admitted and alien have meanings given those terms in section 101 of the Immigration and Nationality Act ( 8 U.S.C. 1101 ). (2) Applicable Executive order The term applicable Executive order means— (A) Executive Order 13611 ( 50 U.S.C. 1701 note; relating to Blocking Property of Persons Threatening the Peace, Security, or Stability of Yemen)