Who should file this form? A seller who is claiming a refund or credit to their account for overpaid taxes, penalties, or interest.When can I claim a refund for overpaid taxes? 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. Refund Requests may be mailed to DC DMV, P.O. Box 90120, Washington, DC 20090, faxed to 202- 673-9908 or visit any DMV service center. You have to tell your credit or debit card company about any error you're disputing within 60 days of when the first statement with the charge was sent to you. In the event of an overpayment, a refund will be issued to you upon request. Please contact the Accounting Department to request a refund of an overpayment. 1. Timing of refund. The creditor may also fulfill its obligations under § 1026.11 by: i.