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The deadline for taxpayers affected by Hurricane Helene to file and pay income tax without incurring a penalty is September 25, 2025. Read more about tax relief for victims of Hurricane Helene.

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Corporate Income Tax

Document Name
2015 NC-478 Summary of Tax Credits Limited to 50% of Tax
2015 NC-478G Instructions for Investing in Renewable Energy Property Tax Credit
2015 NC-478G Tax Credit for Investing in Renewable Energy Property
2015 NC-478I Instructions for Research and Development Tax Credit
2015 NC-478I Tax Credit for Research and Development
2016 CD-401S S Corporation Tax Return
2016 CD-401S S Corporation Tax Return Instructions
2016 CD-405 C Corporation Tax Return
2016 CD-405 C Corporation Tax Return Instructions
2016 CD-405 CW Combined Corporate Income Tax Worksheet
2016 CD-418 Cooperative or Mutual Association
2016 CD-429B Underpayment of Estimated Tax by C-Corporations
2016 Corporate Income, Franchise, and Insurance Tax Rules and Bulletins
2016 NC K-1 CD-401S Shareholders Share of NC Income, Adjustments, and Credits
2016 NC-478 Pass-through Schedule for NC-478 Series
2016 NC-478 Summary of Tax Credits Limited to 50% of Tax
2016 NC-478 Tax Credit General Instructions
2016 NC-478G INST Instructions for Investing in Renewable Energy Property
2016 NC-478G Tax Credit for Investing in Renewable Energy Property
2016 NC-REHAB Historic Rehabilitation Tax Credits

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Contact Information

North Carolina Department of Revenue

PO Box 25000
Raleigh, NC 27640-0640
General information: 1-877-252-3052
Individual income tax refund inquiries:
1-877-252-4052

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