The Ohio State Agency that oversees the collection and reporting of State income taxes deducted from payroll checks is: Department of Taxation P.O. Box 2476 Columbus, OH 43266-0076 (614) 433-7887 (888) 405-4039 http://www.state.oh.us/tax Ohio requires that you use Ohio form “IT-4, Employee’s Withholding Exemption Certificate” instead of a Federal W-4 Form for Ohio State Income […]