Ohio Department of Taxation
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Tax Professional Assistance

Information for Software Developers

Electronic Filing by Tax Preparers

View Ohio Taxes

Taxpayer Representation Form (TBOR1)

How Do I...
  • File On-Line without
    using Tax Software
  • Prove I have Permission
    to Represent a Taxpayer
  • Find out if Federal Adjustments
    Effect the Ohio Tax Return
  • Register as a Software
    Developer
  • Create my OBG Login to
    File Multiple Returns
Additional Professional Resources
  • View Ohio Taxes
  • Ohio Revised Code
  • Due Dates
  • Municipal Sites
  • Taxpayer Representation Form (TBOR1)
  • Voluntary Disclosure Program
  • Ohio Tax Conference  
  • Interest Rates
  • Kilowatt Hour Tax Filing
  • Annual Reports
  • Natural Gas Distribution Tax
  • Sales and Use 
  • Commercial Activity
    Tax (CAT)
  • Employer Withholding
  • Casino Tax
             FAQs
              Self Help Videos                    Info Releases          Interest Cal        Tax Alerts            Tax Rate Finder
              FAQs 
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       Information Releases
 Interest Calculator
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        The Finder   

Ohio Department of Taxation

 
Mailing Addresses

 John R. Kasich, Governor | Joseph W. Testa, Tax Commissioner
 
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