As I mentioned in my original answer: Form 2210, Underpayment of Estimated Tax, has not yet been finalized and the calculations may not have been updated yet. For information on forms availability, please see the following table: <a rel="nofollow" target="_blank" href="
https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_fed_online_individual.html...>
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