within ten fiscal years of the end of this waiver. 5. The Congress shall enforce and implement this article by appropriate legislation, which may rely on estimates of outlays and receipts. 6. Total receipts shall include all receipts of the United States Government except those derived from borrowing. Total outlays shall include all outlays of the United States Government except for those for repayment of debt principal. 7. This article shall take effect beginning with the tenth fiscal year after its ratification. .