Software Developers

Software Developers - Modernized e-File 2018

  • Letter of Intent
    • If you plan to participate in modernized electronic filing for the Ohio Form MNP10, please forward your Letter of Intent to MNPTax@tax.state.oh.us.  Vendor testing with ODT will be enabled soon after IRS makes ATS available.
  • 2018 MeF Schemas (made available upon approval)
  • Ohio ATS Tests TY 2018 (made available upon approval)
  • MeF Error Codes (made available upon approval)
  • 2018 Tax Rates
  • Foreign Country Codes
  • 2018 MNP10 MeF Approved Vendors
    Company Name Product Name Form Type Status
    CCH/Wolters Kluwer Access MNP 10, MNP ES Approved
    CCH/Wolters Kluwer Global FX MNP 10, MNP ES Approved
    CCH/Wolters Kluwer ProSystem FX MNP 10, MNP ES Approved
    Corptax, Inc. Corptax MNP 10, MNP ES Approved
    Drake Software Drake Tax MNP 10, MNP ES Approved
    Tax Technologies, Inc Tax Series MNP 10, MNP ES Approved
    Thomson Reuters GoSystems/OneSource MNP 10 Approved
    Thomson Reuters UltraTax CS MNP 10, MNP ES Approved