The FMS accounts for a number of things, but taste is not one of them. a bureau of The US Department of the Treasury, the Financial Management Service (FMS) provides money management services for the federal government, including operating the government's collection and deposits systems, providing accounting and reporting services, and managing the collection of delinquent debt. Through more than 10,000 financial institutions, it collects more than $2.5 trillion in federal revenues annually, including federal income tax deposits, customs duties, fees for government services, fines, and loan repayments.