Form Il-1120-Es - Estimated Income And Replacement Tax Payments For Corporations - 2011
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4Illinois Department of Revenue
Estimated Income and Replacement
IL-1120-ES
2011
Tax Payments for Corporations
Where should I fi le?
Who must fi le estimated payments?
You should mail your vouchers, with your payment, to
If you are a corporation (other than an S corporation), you must
ILLINOIS DEPARTMENT OF REVENUE
make payments of estimated tax if you reasonably expect your
PO BOX 19045
income and replacement tax liability to exceed the amount that
SPRINGFIELD ILLINOIS 62794-9045
will be credited against that liability by more than $400.
Do not send payments to commercial bank depositories as
You should complete the worksheet in Step 1 to fi gure your
designated by the Internal Revenue Service.
estimated tax for 2011 and to determine if you are required to
What if I am a unitary fi ler?
make estimated tax payments.
Unitary business groups must make estimated payments on a
Beginning in 2011, taxpayers with short tax years must
combined basis using the designated agent’s federal employer
make estimated payments.
identifi cation number (FEIN) only. For more information about
designated agents or combined estimated payments, refer
When should I fi le and pay?
to Illinois Income Tax Regulations, Sections 100.5220 and
The due dates for fi ling your estimated payments are the 15th day
100.5230, respectively.
of the 4th, 6th, 9th, and 12th months of your tax year.
What if I do not make my payments?
Attach each payment to the voucher, Form IL-1120-ES. Do
If you do not pay the required estimated payments on time, you
not send estimated tax payments with your Form IL-1120,
may be assessed a late-payment penalty. We will apply each
Corporation Income and Replacement Tax Return. Make
payment to the earliest due date until that liability is paid, unless
your check or money order payable to “Illinois Department of
you provide specifi c instructions to apply it to another period.
Revenue.”
You may also be assessed a bad check penalty if your
If you prefer to make your payments electronically, see
remittance is not honored by your fi nancial institution.
Form EFT-1, Authorization Agreement for Electronic Funds Transfer,
For more information about penalties and interest, see
or use our WebPay system found on our web site, tax.illinois.gov.
Publication 103, Penalties and Interest for Illinois Taxes. To
If you make your payments by EFT or WebPay, do not send us your
receive a copy of this publication, call 1 800 356-6302.
IL-1120-ES forms.
What if I need additional assistance?
You may be required to make your payments
•
Visit our web site at tax.illinois.gov;
electronically. For more information, see Informational Bulletin
FY 2011-01.
•
Call our Taxpayer Assistance Division at 1 800 732-8866,
217 782-3336; or
•
Call our TDD (telecommunications device for the deaf) at
1 800 544-5304.
Our offi ce hours are 8 a.m. to 5 p.m., Monday through Friday.
IL-1120-ES (R-12/10)
Page 1 of 4
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Illinois Department of Revenue
Estimated Income and Replacement
IL-1120-ES
Tax Payment for Corporations
Offi cial use only
Mail to Illinois Department of Revenue,
Estimated tax payment due date
P.O. Box 19045, Springfi eld, IL 62794-9045.
• 15th day of the 4th month
FEIN:
___ ___ - ___ ___ ___ ___ ___ ___ ___
Corporation
Name:
________________________________________________________
Tax year ending
___ ___ ___ ___
Month
Year
$
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.”
City:
___________________________
______ ZIP: __________
State:
Offi cial use only
*034401110*
IL-1120-ES (R-12/10 )
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