Processes accounts payables for invoices without a purchases order, purchase orders, procurement cards, water account refunds and payroll related liabilities; verifies the accuracy of invoices by ensuring proper account numbers are used, adequate funds have been budgeted for the expenditure and appropriate sales tax has been charged. Finance Department: The City of Jacksonville Finance Department, located at City Hall in downtown Jacksonville, is a service department that provides cash and asset management, accounts payable and purchasing, customer billing and collections, contract review and grant monitoring, and budgeting services to the City.