2018 CD-429B Underpayment of Estimated Tax by C-Corporations
Corporations use Form CD-429B to determine whether the corporation owes interest on the underpayment of estimated tax and if so, the amount of interest.
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Please give to the North Carolina Disaster Relief Fund to help communities recover from Helene Donate Now
Information and Resources on Hurricane Helene
For North Carolina residents and visitors impacted by Hurricane Helene. Go Now