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My Roth conversion was in December 2024 and I made an estimated payment before January 15 2025 to cover the taxes. I understand that I could still face underpayment penalties unless I use Form 2210 to declare how much income I had in each quarter because the IRS doesn't have the dates and can assume I received the income throughout the year and underpaid for early quarters. I tried to go to the underpayment section of Other Tax Situations but wasn't presented with the form information. Just a statement that "At this point no underpayment penalty applies to your return." Is that reliable?
Yes, that's reliable. TurboTax has determined that you paid enough to avoid a penalty, regardless of timing. Therefore you do not use Form 2210. If you started to fill out Form 2210 you would reach a point where it tells you "Don't file Form 2210."
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