You will receive a refund application form. Proof of payment will be required to process all claims.Action steps and links to follow for a taxpayer who wants to request a refund from the Cuyahoga County Treasurer's Department. All refund applications must be filed with the Tax Commissioner on the proper forms. Complete records must be supplied supporting the information, otherwise the. Refund Letter Format: Requesting someone for the refund of your amount paid? Fill out the Form 10A to apply for a refund. Separate 10As must be completed for each W-2 or each RITA Municipality. Com to file or pay local income tax to the City of Cuyahoga Falls. How will I receive and return my books and other materials?