After filing Automatic Extension for 2018, I realized that I had underestimated my taxes and made a special payment to IRS on May 2019. Where do I enter this payment in TurboTax?

[xmasbaby0]

When you requested your extension you were supposed to pay your estimated tax due.  Did you enter the payment you made into your tax return?  Go to Federal>Deductions and Credits>Estimates and Other Taxes Paid>Other Income Taxes  This will show up on line 17 of your Form 1040

[rmittal01]

So to clarify my situation:

1) I filed an extension for my 2018 taxes in April 2019 and paid $XX with my extension filing,

2) In May 2019 I realized that the $XX tax I paid with the extension was not sufficient.

2) So in May 2019, I sent in an additional payment of $YY to IRS.

Where do I include the $YY payment in my Turbotax filing?

Thanks

Rajat

[VolvoGirl]

How did you sent it?  Did you use a form?  Which form, 1040ES, 1040V, etc.  Or did you pay directly online and pick the right year 2018?

[rmittal01]

I did a direct online pay and specified 2018 as the tax year.

Thanks

Rajat