Corporate Income Tax

Corporate Income Tax Credits at a Glance (2025)
Corporate Income Tax Credits Booklet (2025)
Form 40 - Corporation Income Tax Instruction Booklet (2025)
Form 40 - Corporation Income Tax Return (2025)
Form 40-ES - 2026 Estimated Tax Form (2025)
Form 40-EXT - Corporate Extension Payment Voucher (2025)
Form 40-PV - Corporation Return Payment Voucher (2025)
Form 40-UT - Underpayment of Estimated North Dakota Income Tax by Corporations (2025)
Form 40-X - Amended Corporation Income Tax Return (2025)
Nexus Questionnaire (2025)
Request for Copies of Tax Returns Form (2025)
Schedule ECC - Employer Child Care Contribution Credit (2025)
Schedule MCP - Contributions to a Maternity Home (2025)
Schedule ME - Credit for Wages Paid to Mobilized Employee (2025)
Schedule QEC - Qualified Endowment Fund Tax Credit (2025)