How is my refund calculated? When can I expect to receive my refund?To request a refund for overpayment, follow these steps. Complete the Overpayment Refund Request Form. To avoid additional penalties, pay the tax bill you received. If this results in a net over payment, a refund will be sent to you. The first step to get help with paying your fees and tuition is to submit an application for financial assistance. In this article, we'll show you how to write a refund request letter template that not only grabs attention but also persuades companies to act in your favor. We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error. This brief but important letter notifies a customer that he or she has overpaid you.