How do you correct 2018 taxes after 3 years

[jarms714]

I filed 2018 taxes IRS says I filed incorrect but too late to amend; what do I do

[DoninGA]

Your can always amend a tax return.  But to amend a tax return for a tax refund is not possible after three years from the due date of the return.

[macuser_22]

If the IRS sent you a letter then it should tell you what you need to do.    What did it say?