I’m amending my New Jersey state tax returns to request a refund based on the Difficulty of Care income exclusion. Besides my W-2, what other proof can I provide? in After you file
I qualified for the Oklahoma Credit for Employees in the Aerospace Sector since 1/2/2018, but have never claimed it. What do I need to do to claim the full $25,000 since I can't amend tax returns that far back? in Deductions & credits