Software Developers

Software Developers - Modernized e-File 2017

  • Letter of Intent (made available upon request)   
    • If you plan to participate in modernized electronic filing for the IT-1041, please forward your request to PTE.MeF@tax.state.oh.us.  We will then provide you with the Letter of Intent.  ATS testing begins December 5, 2017.
  • 2017 MeF Schemas (made available upon approval)
  • Ohio ATS Tests TY 2017 (made available upon approval)
  • MeF Error Codes (made available upon approval)
  • 2017 Tax Rates
  • Foreign Country Codes
  • Approved Software Products (Coming soon)

Booklets

  • 2017 Software Developer's Booklet (Coming soon)
  • 2017 Ohio Practitioner's Electronic Filing Booklet (Coming soon)

Tax Forms and Publications

  • 2017 IT 1041 Tax Return (Coming soon)
  • 2017 Fiduciary Income Tax Return IT 1041 (Coming soon)