Penalty for Underpayment of Estimated Tax
Penalty for Underpayment of Estimated Tax
A taxpayer generally will be subject to this penalty if the tax is $1,000 or more and the taxpayer did not prepay on a timely basis at least the smaller of (1) 90% of the current year tax, or (2) 100% of the prior year tax (110% if the prior year AGI was over $150,000 ($75,000 if married and filing a separate return)).
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