IL-1120-ES
2013
Step 4: Complete the amended worksheet if a change occurs in your original estimated tax.
1
Write the amount of Illinois net income expected in 2013.
1
2
Multiply Line 1 by 9.5% (.095) and write the result.
2
3
Write the amount of Illinois tax credits and pass-through entity payments expected in 2013.
3
4
Subtract Line 3 from Line 2 and write the result. This is the amount of unpaid estimated tax
for 2013. If $400 or less, stop. You do not have to make estimated tax payments. If more than
$400, continue to Line 5.
4
5
Divide Line 4 by 4.
5
6
Write the amount of estimated tax payments made with 2013 Forms IL-1120-ES,
including any 2012 overpayment credited to 2013 tax that was used to reduce
your estimated tax payment.
6
7
Multiply Line 5 by the number of previously due estimated payments.
7
8
Subtract Line 6 from Line 7 and write the result. This amount may be negative.
8
9
Add Lines 5 and 8 and write the result. If positive, this is the amount due on your next payment due date.
If zero or negative, the amount due on your next payment due date is zero.
If Line 9 is negative, continue to Line 10. Otherwise, stop here.
9
10
If Line 9 is negative, write that amount as a positive number.
10
11
Subtract Line 10 from Line 5 and write the result.
This is the amount due on the following due date.
11
This form is authorized as outlined by the Illinois Income Tax Act. Disclosure of this
information is REQUIRED. Failure to provide information could result in a penalty.
IL-1120-ES (R-12/12)
Page 4 of 4
Estimated Income and Replacement
Illinois Department of Revenue
IL-1120-ES
Tax Payment for Corporations
(R-12/12)
Official use only
Mail to Illinois Department of Revenue,
Estimated tax payment due date
• 15th day of the 12th month
P.O. Box 19045, Springfield, IL 62794-9045.
FEIN:
Tax year ending
Month
Year
Corporation
Name:
$
C/O:
Print your payment amount on this line.
Mailing
Return this voucher with check or money order
address
:
payable to “Illinois Department of Revenue.”
Official use only
City:
State:
ZIP: