We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. A waiver means you are no longer liable to pay back the amount that was waived from your overpayment.Accurately complete the Refund Exception Appeal Form. 2. View options for satisfying overpayment. Submit a Voluntary Refund - A voluntary refund is when an overpayment has been self-identified. If a resolution results in an overpayment for Tax Year 2022, the. 1. Read the letter thoroughly to understand the context. If a resolution results in an overpayment for Tax Year 2022, the. How can I request a waiver? You'll need to complete a claim form online or in print.