Franklin County Area Tax Bureau - Taxpayer Filing

Interest and Penalty / Late Fee Calculator (Form 531 - Lines 18, 19 and 20)

FOR THE MOST ACCURATE RESULTS, YOU WILL NEED INFORMATION FROM YOUR PRIOR YEAR'S TAX RETURN WHEN USING THIS CALCULATOR. THE CALCULATOR ASSUMES YOUR NON-WITHHELD TAX LIABILITY WAS BASED ON INCOME RECEIVED EVENLY THROUGH THE YEAR.
Complete Sections 1 to 4 below and then click the "Calculate" button. Any Interest, Penalties, or Fees to be entered on lines 18, 19, or 20 of your tax return will be calculated and displayed under the "Calculate" button.

Enter dates in mm/dd/yyyy format, or use calendar button to select dates.

1 Tax Return Identifying Information:
Tax Return Year:
Taxpayer's SS#:
Taxpayer's Full Name#:


  Amount Date (mm/dd/yyyy)
2 Enter the Tax Balance Due On Your Tax Return (Line 17) and the Date you will be making the payment / filing the Return: $ Calendar


3 Enter Estimated Payment(s) You Made for the tax year indicated on Line 1 and the date(s) you made the payment(s): Amount(s)   Date(s) (mm/dd/yyyy)  
Carry-over credit from prior year (From Section 4 below): $
Estimated Payment 1: $ Calendar
Estimated Payment 2: $ Calendar
Estimated Payment 3: $ Calendar
Estimated Payment 4: $ Calendar
Estimated Payment 5: $ Calendar
Estimated Payment 6: $ Calendar


Enter the following from the Tax Return you filed with us in (Prior Year's Tax Return):
Note- The calculator will not take into account the possibility of a "safe harbor" when calculating quarterly interest and penalty (line 20) if this section is not completed.

4 Enter the following information from your tax return:
Check if you were not required to file a Franklin County tax return last year
Line 14 Amount (Quarterly Payments): $
Line 17 Amount (Tax Balance Due): $
Line 24 Amount (Credited to Next Year's Tax): $
What date did you file last year's tax return: (mm/dd/yyyy) Calendar




Enter the amounts indicated below on the Line 18, 19, and 20 of your tax return:

Line 18 Annual Interest and Penalty $
Line 19 Late Filing Fee $
Line 20 Quarterly Interest and Penalty: $