; (B) the Convention on Consular Relations, done at Vienna April 24, 1963, and entered into force March 19, 1967; or (C) any other international agreement to which the United States is a party. (b) Waiver (1) In general The President may, for periods not to exceed 180 days, waive the application of any provision of this Act with respect to a foreign person if the President certifies to the appropriate congressional committees that such a waiver is in the national security interests of the United States. (2) Briefing Not later than 90 days after the issuance of a waiver under paragraph (1), and every 180 days thereafter while the waiver remains in effect, the President shall brief the appropriate congressional committees on the reasons for the waiver. (c) Humanitarian waiver (1) In general The President may waive, for renewable periods not to exceed 2 years, the application of any provision of this Act with respect to a nongovernmental organization providing humanitarian assistance not covered by the authorization described in section 304 if the President certifies to the appropriate congressional committees that such a waiver is important to address a humanitarian need and is consistent with the national security interests of the United States. (2) Briefing Not later than 90 days after the issuance of a waiver under paragraph (1), and every 180 days thereafter while the waiver remains in effect, the President shall brief the appropriate congressional committees on the reasons for the waiver. (d) Appropriate congressional committees defined In this section, the term appropriate congressional committees means— (1) the Committee on Foreign Affairs, the Committee on Financial Services, the Committee on Ways and Means, and the Committee on the Judiciary of the House of Representatives