How to File a Refund Claim. Below are the ways you can submit a repayment.I now just recieved a letter online informing me that my PUA unemployment was deemed fraudulent because I could not confirm my identity. A guide and tips for Ohio Unemployment Appeal Letters, including a sample template, from experienced unemployment attorneys. In order for an overpayment refund to be processed in a timely manner, please submit a completed form with all refund checks and supporting documentation. 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. Open the Application for Refund; you may fill it out online, but then you must print the completed form. Sign the form in the presence of a Notary Public. When you identify a Medicare overpayment, use the Overpayment Refund Formto submit the voluntary refund.