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New Member
posted Jun 1, 2019 9:43:15 AM

How do I calculate the tax actual withholding for an underpayment penalty?

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1 Replies
New Member
Jun 1, 2019 9:43:17 AM

Those can be calculated by looking at your paystubs for W2 withholding taxes to start. Let's say you have a 1009R that withheld taxes in October, you could add that to the quarter. Any federal withholding taxes you had this year should be included.