Begin the filing process as you would with any other filing and select Request for Refund as the Document Type from the list of options in the drop-down menu. A claim for refund is a request for reimbursement of amounts previously paid.Generally, if you have paid your balance in full you will file a formal claim. You have been sent a Notice of Action letter that advised you of reason for the overpayment and the amount you were overpaid. If you have made an overpayment of property taxes and wish to claim a refund, please complete this claim form and return it to the. Clearly state the decision regarding the refund. Yes. To get your refund, you will need to send the following to DMV: A completed and signed Application for Refund (ADM 399). Refund Letter Format: Requesting someone for the refund of your amount paid?