for such determination and an explanation as to why other donors to the Government of Ukraine are unable to meet or exceed such level: Provided further , That following such determination, the President shall submit a report to the Speaker and Minority Leader of the House of Representatives, the Majority and Minority Leaders of the Senate, and the appropriate congressional committees every 120 days while assistance is provided in reliance on the determination under the previous proviso detailing steps taken by the Department of State to increase other donor contributions and an update on the status of such contributions: Provided further , That the requirements of this subsection shall continue in effect until such funds are expended. 507. (a) Arrangement Required Notwithstanding any other provision of law, not later than 60 days after the date of the enactment of this division, the President shall enter into an arrangement with the Government of Ukraine relating to the repayment by Ukraine to the United States of economic assistance provided to Ukraine by the United States to respond to the situation in Ukraine, and for related expenses, that are made available under the headings Economic Support Fund and Assistance for Europe, Eurasia and Central Asia in title IV of this division. (b) Terms Repayment required by the arrangement required by subsection (a) shall be at terms to be set by the President. (c) Limitation on Arrangement Terms The arrangement required pursuant to subsection (a) may not provide for the cancellation of any or all amounts of indebtedness except as provided in subsection (d). (d) Cancellation of Indebtedness (1) The President may not before November 15, 2024 take any action related to the indebtedness of the Government of Ukraine that cancels any indebtedness incurred by Ukraine pursuant to this section. (2) At any time after November 15, 2024, the President may, subject to congressional review provided by section 508, cancel up to 50 percent of the total indebtedness incurred by Ukraine