FAQs - Individual Income Tax Preparer Electronic Filing Requirement

Who do I contact if I have questions about the electronic filing program?

You may contact the Ohio Department of Taxation's Personal Income Tax electronic filing help desk at 614-466-0197 for questions regarding the federal/state e-file program or any of Ohio’s electronic filing alternatives for individual taxpayers.

You may also contact the Ohio Department of Taxation's business electronic filing group at 614-387-1965. Currently, only the IT 1041 Fiduciary Income Tax Return is supported.

Other business taxes including commercial activity tax (CAT), sales tax and employer withholding are filed through the Ohio Business Gateway. For assistance with other business taxes, please call 888-405-4039. For assistance with the Ohio Business Gateway, please call 866-644-6468.