We will charge interest on tax (including sales and use tax) that is not paid on or before the due date of your return, even if you received an extension of time to file your return.
If you file late, we will charge a penalty unless you have a valid extension of time to file.
The penalty charge is:
If you do not pay your tax when due, we will charge you a penalty in addition to interest. The penalty may be waived if you can show reasonable cause for paying late.
The penalty charge is:
If the tax you report on your return is less than the correct tax by more than 10% or $2,000, whichever is greater, you may have to pay a penalty.
The penalty charge is:
If you underreport tax on your return due to negligence but not with intent to defraud, we will charge:
If any part of a deficiency is due to fraud, we will charge:
If you file a frivolous income tax return we will charge a penalty of up to $5,000 in addition to any other penalty. Frivolous returns include returns that:
We may charge you a penalty on the amount of estimated tax that you did not pay or paid late during the year (either through estimated tax payments, withholding tax, or a combination of the two). The penalty you will have to pay will equal the federal short-term interest rate plus five and one half percentage points (adjusted quarterly), but not less than 7.5%.
The underpayment penalty applies if your 2023 withholding and estimated tax payments are not at least the smaller of:
Note: Special rules apply to farmers and fishermen. See Form IT-2105.9-I, Instructions for Form IT-2105.9, Underpayment of Estimated Tax by Individuals and Fiduciaries.
If you determine that you underpaid or paid your estimated tax late, you must calculate the amount of your penalty using Form IT-2105.9, Underpayment of Estimated Tax by Individuals and Fiduciaries. Submit Form IT-2105.9 with your return.
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