Fill in credit card number and expiration date. Confirmation email - (Anyone who is responsible for your accounting may also receive this email).The notice will provide the tax type from which the overpayment originated and tax type to which it is being applied. 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. How do I apply for a refund if I overpaid my nonresident withholding tax? Tax Forgiveness is determined based on marital status, family size and eligibility income.