The Tax Office holds unclaimed property tax overpayments made within the last three years and outstanding (uncashed) refund checks. If you did not make the payment(s) directly to the Tax Office on this account, please forward this letter to the person or company who paid these taxes.The salary overpayment resulted because . I would first make a call to the institution to determine if you can get your fees returned. They may have a policy where fees are non-refundable. 1. Read the letter thoroughly to understand the context. The Harris County Clerk's office is happy to help you file documents or locate records, but we cannot answer legal questions. It is my pleasure to write in support of the application of Mr. Ian Harris for your residency program.