; and (ii) the extent to which those sanctions affect the delivery of humanitarian, peacebuilding, education, and other development assistance to the Afghan people. 6. Waivers; exceptions; suspension (a) Waiver (1) In general The President may waive the application of sanctions under this Act with respect to a foreign person if the President, not later than 10 days before the waiver is to take effect, determines and certifies to the appropriate congressional committees that such waiver is in the national security interest of the United States. (2) Detailed justification The President shall submit with each certification in connection with a waiver under paragraph (1) a detailed justification in writing explaining the reasons for the waiver. (b) Exceptions (1) Exception for intelligence activities Sanctions under this Act shall not apply to any activity subject to the reporting requirements under title V of the National Security Act of 1947 ( 50 U.S.C. 3091 et seq. ) or any authorized intelligence activities of the United States. (2) Exception to comply with international obligations and for law enforcement activities Sanctions under section 3(d)(2) shall not apply with respect to an alien if admitting or paroling the alien into the United States is necessary— (A) 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