I have the same problem as the OP. I used this solution and it worked at first, allowing me to input the appropriately allocated amount: since I lived in NYC for only half of 2019, and then moved to a home I purchased in Westchester in July, I allocated half of the total federal amount to the "NYC Resident Portion" box.
However, upon going through the review feature of TurboTax, the amount I entered gets changed back to the original number in the grayed out box, and the box is again grayed. This amount is about 90% of my total federal amount, not 50%, as I explained above would make sense.
Why will TurboTax not allow me to allocate my wages appropriately? What am I missing?
Thanks.
