Since NJ has already accepted the return (the rebate as NJ income didn't affect the tax so I filed it anyway). I'll have to make up a fake return to try it. Tha...

I tried adding a line in the NJ Other Income with a negative amount. TurboTax didn't complain but NJ rejected it because of the negative number.

I'm a NJ resident. The item is the property tax recovery for the homestead rebate I got in 2018 based on the 2015 property tax in my itemized deductions. It's t...