The North Carolina D-400 is used to amend the state tax return by indicating on the form it is an amended return. The TurboTax state program should have this available.
The Form 1040-X for amending a 2025 federal tax return is estimated to be available in TurboTax on 02/19/2026
Before starting to amend the tax return, wait for the tax refund to be received or the taxes due to be paid and processed by the IRS.
See this TurboTax support FAQ for amending a current year tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-federal-tax-return-curr...
