I am also having issues with form 2210. I think part of the issue is that my estimated tax payments (reported on Schedule 5 (Form 1040)) are not reported anywhere on form 2210, thus suggesting that I have underpaid when I actually overpaid and am getting a refund. If I fully paid my quarterly estimated taxes on time, should I have to fill out form 2210? Can anyone tell me where estimated taxes go on form 2210? On the 2210 instructions, it says to include Schedule 5 taxes in line 6 of the 2210, but then in the 2210 itself it says "Don't include estimated tax payments". Line 3 of the 2210 is "refundable credits" (which my estimated taxes are), but the 2210 instructions don't say to report estimated tax payments here (and TT leaves line 3 blank).
MAIN QUESTION: How/where do you report paid estimated taxes on form 2210? Do I need to file form 2210 if I overpaid my estimated quarterly taxes and am getting a refund?
Thank you for any insights!