Dec 5 2021 I received a IRS Notice CP21B for 2020 that I'm geting an $835 refund. It doesn't say why, but I think its for the $3,796 of unemployment compensation I received and paid taxes on because I filed in Feb 2020. I need to enter the new Federal AGI on my Connecticut return to get a refund from CT who also taxed the UC. How do I get the new Federal AGI? The Notice does not say how the 1040SR was changed.
Can I update - amend - my turbo tax return? And when I review my tax form in turbo tax it does not point out the "error".
