I filed an amended return for 2016 in 2018. How do I enter additional federal taxes for 2016 that were paid in 2018?

[xmasbaby0 · Accepted solution]

You don't.  Federal taxes you paid are not deductible on your federal return. The exception is in six states where you can enter federal tax paid on a state return.

There are six states that allow you to enter the federal tax you paid on your state return--Alabama, Iowa. Louisiana, Missouri, Montana, and Oregon.  If you are filing in one of these states watch for the deduction when you prepare your state return.