1. Certifications regarding actions by Saudi Arabia in Yemen (a) Initial certification Not later than 30 days after the date of the enactment of this Act, the Secretary of State shall submit to the appropriate committees of Congress a certification whether the Government of Saudi Arabia is undertaking— (1) an urgent and good faith effort to conduct diplomatic negotiations to end the civil war in Yemen; (2) appropriate measures to alleviate the humanitarian crisis in Yemen by increasing access for Yemenis to food, fuel, and medicine, including through Yemen’s Red Sea ports, the airport in Sana’a, and external border crossings with Saudi Arabia; and (3) demonstrable action to reduce the risk of harm to civilians and civilian infrastructure resulting from its military operations in Yemen, including by complying with applicable agreements and laws regulating defense articles purchased or transferred from the United States. (b) Subsequent certifications Not later than 180 and 360 days after the date of the enactment of this Act, the Secretary of State shall submit to the appropriate committees of Congress a certification whether the Government of Saudi Arabia is undertaking the efforts described in paragraphs (1), (2), and (3) of subsection (a). (c) Restriction If the Secretary of State is unable under subsections (a) and (b) to certify that the Government of Saudi Arabia is taking demonstrable action as described in subsection (a), no Federal funds may be obligated or expended to provide in-flight refueling, pursuant to any agreement authorized by section 2342 of title 10, United States Code, or other applicable statutory authority, of Saudi and Saudi-led coalition non-United States aircraft conducting missions in Yemen other than missions related to— (1) al Qaeda, al Qaeda in the Arabian Peninsula (AQAP), and the Islamic State in Iraq and Syria (ISIS); (2) countering the transport, assembly, or employment of ballistic missiles or components in Yemen