Find information on returns, payments, credits, and refunds for Nevada businesses. How do I request a refund of an overpayment?Overpayment Information. If you have received an overpayment notice from DETR, you may be required to repay the excess amount. 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. Complete a request using the Request for Pay. Gov Refund form and attach backup documentation. If you returned the item the money will go back on your card. Gov or mailed to the address above. The online form below is used to request a refund from the Nevada Commercial Recordings Division.