It's not in the interview.After you complete your state form (without the 529),go back and edit it.On the state screen, you can select "changes to FEDERAL incom...
I don't know how it is for other state, but for New York, that link you posted has the wrong information.It says:If your state is one of those states that has a...
For some reason, in turbotax 2020, the 529 deduction is in under:"changes to FEDERAL income" section in "adjustments to federal income" on the state forms page...
I did get it to work, although I don't remember exactly how.I'm pretty sure the GUI/walkthrough wasn't settings things on the Form correctly.I had to open up th...