Action steps and links to follow for a taxpayer who wants to request a refund from the Cuyahoga County Treasurer's Department. Complete form CAT REF.• Amended return overpayment letter may serve as substitute. 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. Cuyahoga County properties are being reappraised. If you think your new property value is wrong, here's how to dispute it with the county. I'm pleased to provide you with the 2010 edition of Ohio's. Taxes: A Brief Summary of Major State and Local Taxes in Ohio. Our document template is designed to make the process of writing an "Inform a Customer of an Overpayment" letter quick, easy, and stress-free.