2021 NC-478 Instructions for NC-478 Series 2021 NC-478 Instructions for NC-478 Series.pdf 2021 NC-478 Instructions for NC-478 Series PDF • 192.74 KB - January 31, 2022 Corporate Income Tax, Franchise Tax, Individual Income Tax, Partnerships, Estates and Trusts (Fiduciary), Insurance Premium Tax, Pass-Through Entities