To request a tax refund, file an Application for Refund - Sales and Use Tax (Form DR-26S) or Application for Refund - All Other Taxes (Form DR-26). You must allow them 45 days in which to respond before requesting a refund from Broward County.Over Payment Refund Letter To Customers Template. If you believe you have overpaid your property taxes (for real property and tangible personal property), you may be eligible for a refund. Clearly state the decision regarding the refund. Thank you for reaching out to us. This brief but important letter notifies a customer that he or she has overpaid you. It can serve as a very good customer relations letter. This application along with the registration certificate showing taxes paid and all other supporting documentation must be submitted to the address above. We have identified the following overpayment and are in good faith voluntarily refunding all monies collected in error.