Illinois Department of Revenue
Amended Corporation
2013 IL-1120-X
Income and Replacement
Tax Return
For tax years ending on or after December 31, 2013
Write the amount you
Indicate what tax year you are amending: Tax year beginning
, ending
are paying.
month
day
year
month
day
year
If you are filing an amended return for tax years ending before December 31, 2013,
you cannot use this form. For prior years, use the amended return form for that year.
$
Step 1: Identify your corporation
Write your federal employer identification no. (FEIN).
K
Write your complete legal business name.
A
If you have a name change, check this box.
Write your North American Industry Classification
L
Name:
System Code (NAICS). See instructions.
Write your mailing address.
B
Write your Illinois corporate file (charter) number.
If you have an address change, check this box.
M
C/O:
Mailing address:
Check the applicable box for the type of change
N
being made.
NLD
State change
City:
State:
ZIP:
Federal change
Check the box if your business is a
C
If a federal change, check one:
Combined return (unitary)
Foreign insurer
Partial agreed
Finalized
Check this box if you are filing this form only to report an increased net
D
loss on Line 37, Column B.
Write the finalization date
Attach your federal finalization to this return.
If you have completed the following federal forms, check the box
E
Check this box if you are filing Form IL-1120-X
O
and attach them to this return, if you have not previously done so.
on or before the extended due date and are
Federal Form 8886
Federal Schedule M-3
making the election to treat all nonbusiness
income as business income.
Check this box if you attached Illinois Schedule UB.
F
Check this box if you are making a discharge of
P
Check this box if you attached Illinois Schedule 1299-D.
indebtedness adjustment on Line 36, or
G
Schedule NLD or UB/NLD. (U.S Form 982)
Check this box if you attached Form IL-4562.
H
If you are filing Schedule INL check this box.
Q
Check this box if you attached Illinois Schedule M (for businesses).
I
If you annualized your income on your
R
Check this box if you attached Schedule 80/20.
J
Form IL-2220 check this box. (IL-2220)
If you owe tax on Line 65, complete a payment voucher, Form IL-1120-X-V, make your check payable to
“Illinois Department of Revenue” and attach them here.
Write the amount of your payment on the top of this page in the space provided.
Mail this return to: Illinois Department of Revenue, P.O. Box 19016, Springfield, IL 62794-9016
Step 2: Explain the changes on this return
IL-1120-X (R-12/13)
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