a foreign person, agency or instrumentality of a foreign state, or government of a foreign state subject to such sanctions or such designations, as the case may be, has verifiably ceased its participation in any of the conduct with respect to which such foreign person, agency or instrumentality of a foreign state, or government of a foreign state was subject to such sanctions or designation, as the case may be, under this section, and has given assurances that such foreign person, agency or instrumentality of a foreign state, or government of a foreign state, as the case may be, will no longer participate in such conduct. (4) Exception to comply with united nations headquarters agreement Sanctions under subsection (c) shall not apply to a foreign person if admitting such foreign 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. (h) Rule of construction Nothing in this section may be construed to limit the authority of the President under the International Emergency Economic Powers Act ( 50 U.S.C. 1701 et seq.) or any other provision of law to impose sanctions to address critical cyber threat actors and malicious state-sponsored cyber activities. (i) Definitions In this section: (1) Admitted