Public employee 414(h) retirement contributions - NY State
Are Public employee 414(h) retirement contributions taxable by New York State
Are Public employee 414(h) retirement contributions taxable by New York State
They sure enough are, it's an "add-back" on the state tax return.
You have to enter it in screen 10 in the "state & local" area, there is a 414h heading and enter it on the "taxable retirement contribution" line.
The program will do the rest.