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Level 1

Late 2018 State Tax Payment Made in 2020

Hi, my state state revenue agency found an error in my 2018 state tax return, and sent me a notice in 2020 of the finding and the required tax and interest penalty, which I paid.  Question: Would this amount that I paid need to entered somewhere on my 2020 state tax return?  If so, where would TurboTax let me enter that information?  Thanks.

2 Replies
Expert Alumni

Late 2018 State Tax Payment Made in 2020

No, not on your state return, however, if you itemize your deductions, you can deduct it with your other State Tax Payments.  You can only deduct the tax not the penalty amount.

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Level 15

Late 2018 State Tax Payment Made in 2020

Just on federal.  You can deduct any state taxes paid (for any year) or state estimates actually paid in during the year on your federal return if you Itemize deductions.  But just the tax, not anyinterest or penalties.   If you transferred from last year it might already be filled in.


Enter it under

Federal on left

Deductions and Credits

Then scroll way down to Estimates and Other Taxes Paid

Other Income Taxes - Click the Start or Update button


Next page scroll way down to the last section, Other Income Taxes Paid

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