The Financial Management Service (or FMS) is a bureau of the United States Department of the Treasury and provides several financial services for the federal government. These services include centralized payment, collection, and reporting services, oversight of a daily cash flow of nearly $58 billion into and out of federal accounts, disbursement of more than $1.5 trillion to more than 100 million individuals via Social Security and veterans' benefits, issuance of tax refunds and other federal payments, collection of more than $2.67 trillion per year in payments to the government through financial institutions, and collection of delinquent debts owed to the government. The United States Department of the Treasury is a Cabinet department and the treasury of the United States government. ... The government of the United States, established by the United States Constitution, is a federal republic of 50 states, a few territories and some protectorates. ... In finance, cash flow refers to the amounts of cash being received and spent by a business during a defined period of time, sometimes tied to a specific project. ... Social Security in the United States is a social insurance program funded through a dedicated payroll tax. ... The United States Department of Veterans Affairs (VA) is a Cabinet department of the United States government responsible for administering programs of veterans benefits for veterans, their families, and survivors. ... In the United States, taxpayers will get a tax refund, a refund on their U.S. income tax, if the tax they owe is less than the sum of: The total amount of refundable tax credits that they claim. ...