2018 Corporate Income Tax Forms & Instructions

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2018 Forms & Instructions

  • Form 40 -  Corporation Income Tax Return
    • Form 40  - Corporation Income Tax Instruction Booklet 
  • Form 40-UT - Underpayment of Estimated North Dakota Income Tax by Corporations
  • Form 40X - Amended Corporation Income Tax Return
  • Form 40-QR - Application for Quick Refund of Overpayment of Estimated Income Tax for Corporations

Additional Corporate Income Tax Information