After an overpayment is generated, the overpayment letter is sent to the Department Personnel Representative (DPR). In the Empl ID field, enter the Employee's 8-digit Numeric Identification Number.• In the Pay Period End Date field, enter the Pay Period End Date. 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. 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). The Daily Payroll Attendance Sheet ("sign-in sheet") is an important document in the payroll process. The IRS uses Letter 3286C to inform you that they believe you may have overpaid for a particular year and will refund you the difference. The Miami-Dade State Attorney Bad Check Restitution Program works because bad check reports are easy to file. The Benefit Recovery Unit reviews the case and establishes a claim if an overpayment has indeed occurred.