It is the responsibility of the DPR to notify and review the overpayment letter with the employee. • Log into INFORMS.If Shared Services is not notified, the overpayment will continue. An overpayment can happen if there is an ineligibility notice, which disqualifies a claimant in certain cases where they have already received benefits. Report an overpayment. Complete an overpayment refund form to notify First Coast of an overpayment prior to receiving a demand letter. The Benefit Recovery Unit reviews the case and establishes a claim if an overpayment has indeed occurred. Please call 1-800-772-1772 or your local field office and we may be able to process your waiver request quickly over the phone. Its accuracy, monitoring and reporting is critical, failure to do so, may create errors in time reporting, including a possible overpayment. A. An overpayment letter is a formal request to repay a debt owed to the Medicare Trust Fund.