; and (bb) automatically cancel any other valid visa or entry documentation that is in the person’s possession. (2) 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 violates, attempts to violate, conspires to violate, or causes a violation of regulations promulgated under subsection (e) to implement this section to the same extent that such penalties apply to a person that commits an unlawful act described in section 206(a) of such Act. (3) Exception to comply with united nations headquarters agreement Sanctions under paragraph (1)(B) shall not apply to a foreign person who is an individual if admitting 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. (c) Waiver The President may, on a case-by-case basis and for periods not to exceed 180 days, waive the application of sanctions imposed with respect to a foreign person under this section if the President certifies to the appropriate congressional committees not later than 15 days before such waiver is to take effect that the waiver is vital to the national security interests of the United States. (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 section. The exceptions to the President’s authority described in section 203(b) of the International Emergency Economic Powers Act, as shall not apply to the President’s authority to exercise authorities under this section. (e) Regulatory authority (1) In general The President shall, not later than 180 days after the date of the