If you cannot pay the balance in full or if you have other questions regarding this overpayment please contact a. Recovery Specialist at 919.707.1338.Instructions and form used for taxpayers to claim a refund of an overpayment within the statue of limitations. The salary overpayment resulted because . Providers have the option to submit a Request For Extended Repayment Schedule (ERS). A complete ERS request should be submitted immediately. Please download the form, complete each field and print. Include the form with your refund so we can properly apply the refund and record the receipt. What should I include on my waiver request? We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error.