Financial Controls operate to insure the accuracy of the operational controls.  Good operating controls make  financial controls less critical but nevertheless the Financial controls come into play when compiling the information  necessary to prepare financial statements on a monthly basis or at least on a annual basis to prepare tax returns.  

The Cost of an error is usually in terms of actual dollars lost is virtually eliminated when the error is detected and  acted upon within 24 hours of the event.  So if there is an error on a closing statement where fees are incorrectly  collected it is imperative that any problem be identified immediately and all parties are notified of corrective actions.