Refund Letter Format: Requesting someone for the refund of your amount paid? 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.When you identify a Medicare overpayment, use the Overpayment Refund Formto submit the voluntary refund. Thank you for completing this Overpayment Refund Notification Form. Edit, sign, and share sample email of refund money to customer online. No need to install software, just go to DocHub, and sign up instantly and for free.