See bank financial statements, e.g. 2018 Combined Financial Statements (Operating Expenses: Earnings remittances to the Treasury), and Treasury financial reports, e.g. 2018 Agency Financial Report (Sources of Custodial Revenue: Deposit of Earnings, Federal Reserve System)
Powell, Jerome H. (February 9, 2015). "'Audit the Fed' and Other Proposals". Board of Governors of the Federal Reserve System. Retrieved August 25, 2019.
See bank financial statements, e.g. 2018 Combined Financial Statements (Operating Expenses: Earnings remittances to the Treasury), and Treasury financial reports, e.g. 2018 Agency Financial Report (Sources of Custodial Revenue: Deposit of Earnings, Federal Reserve System)