2010 Corporate Income Tax Forms and Instructions

Fill-In Forms

These forms were designed to be completed on the Web site with your computer. If you prefer, you may print these forms out and complete them by hand.

• Form 40 Booklet - Instructions Only - (pdf)
• Form 40 - Corporation Income Tax Return - (fill-in pdf)
• Form 40-UT - Underpayment of Estimated North Dakota Income Tax by Corporations - (fill-in pdf)
• Form 40-X - Amended Corporation Income Tax Return - (fill-in pdf)
• Form 40-EXT - Corporate Extension Payment Voucher - (fill-in pdf)
• Domestic Disclosure Spreadsheet - (fill-in pdf)
• 2011 Form 40-ES - Estimated Tax Form - (fill-in pdf) - Financial Institutions Use Form 35 PV

Other Forms and Information

• 2010 North Dakota Corporate Income Tax Credits - (pdf)
• Schedule ME 2010 Credit For Wages Paid to Mobilized Employee - (fill-in pdf)
• Business Codes (NAICS) - (pdf)

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If you would like us to mail the forms and instructions to you, use our information request form.

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A copy of a previously filed state corporate income tax return may be obtained by submitting a written request. The request must contain the following:

1. Name and current address of taxpayer;
2. Taxpayer's federal employer identification number;
3. Description of type of tax return (e.g., Form 40);
4. Tax year for which copy of return is desired; and,
5. Signature from an officer of the corporation. The written request may be mailed to the above address.