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Ohio.gov

Ohio Department of Taxation Individual Income Tax

Official company name: #1 Discount Tax Return Service

Product: Personal Income Tax Return e-filing

Mailing address:    

PO Box 19315       
Seattle, WA 98109

Contact: Oscar Mitchell - admin@number1tax.com

Web address: http://www.number1tax.com/

This software does not support the following:

  • State only filing
  • Direct debit payments
  • Direct deposit for Ohio School District Income Tax returns (Form SD 100)
  • Deceased taxpayers
  • Foreign addresses
  • The "home address" lines on Ohio income tax returns
  • Underpayment penalty or interest lines (Form 2210)
  • Late filed/paid return penalty line
  • Credit carryforwards of current year overpayments
  • Manufacturing equipment grant, business jobs credit, pass-through entity credit, historic preservation credit, motion picture production credit
  • Paid preparer information
  • Estimated payment lines
  • Part-year resident and nonresident returns
  • All Ohio Schedule A additions
  • Ohio Schedule A deductions on lines 36, 37, 39, 42, 44 and 45a-g
  • Ohio Schedule B lines 50, 52, 54 and 56
  • Ohio Schedules C, D and E
  • IRS Schedule K-1
  • Ohio School District Return (Form SD 100) lines 10, 13, 16, 17 and 21