Us and include "Refund Status" in the subject line or call 216-443-7420 to speak with a Quality Assurance representative. You will receive a refund application form.Proof of payment will be required to process all claims. Quick Facts 2023-2024 Tax Season Results. In any event, applications can only be considered if filed within three years of the date of overpayment. This is the overpayment currently credited to your account at the end of the prior tax year. The CCA – Division of Taxation office hours are Monday through Friday, am – pm.