Form Il-1040 - Individual Income Tax Return - 1998
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1
2Illinois Department of Revenue
1998
Form IL-1040
1998 Form IL-1040
or for fiscal
Individual Income Tax Return
year ending ____ 1999
Do not write above this line.
Step 1
A
B
Print or type your personal information below. If filing jointly, be sure your
Check the box that identifies
Social Security numbers are in the order they appear on your federal return.
the filing status that you
Complete
checked on your federal
your taxpayer
-
-
-
-
return. Check only one box.
information
Your Social Security number
Spouse’s Social Security number
Single or
head of household
Your first name and initial
Your last name
Married filing jointly
Spouse’s first name and initial
Spouse’s last name (if different)
Married filing separately
Widowed
Mailing address
City
State
ZIP
C
Check the box in the barn if at least two-thirds of your total federal gross income came from farming.
D
Were any of your wages earned in Wisconsin while an Illinois resident during 1998?
Yes
No
If yes, write the Wisconsin wages you received $__________|___ and your spouse received $__________|___.
Step 2
1
Write your federal adjusted gross income from either your U.S. 1040, Line 33;
Figure your
1
U.S. 1040A, Line 18; U.S. 1040EZ, Line 4; or TeleFile worksheet, Line H.
_____________|___
income
2
Write your federally tax-exempt interest and dividend income from either
2
your U.S. 1040 or 1040A, Line 8b.
_____________|___
3
Write any other additions to your income that are taxable in Illinois. See the
3
instructions for details. Specify your additions.
_____________|___
4
4
Add Lines 1 through 3. This is your income.
_____________|___
Step 3
5
Write your federally taxed Social Security and federally taxed
Figure your
5
retirement income from either your U.S. 1040 or 1040A.
_____________|___
base income
6
Write any active-duty military pay you earned if you included
6
this pay in Line 1.
_____________|___
7
Write your Illinois Income Tax refund if you included this refund on
Attach copies
7
U.S. 1040, Line 10. If you filed a U.S. 1040A or 1040EZ, write “0.”
_____________|___
of any required
8
Write the U.S. government obligations and U.S. agency income
federal or Illinois
8
from either your U.S. 1040, Schedule B, or U.S. 1040A, Schedule 1.
_____________|___
forms and
9
Write any other subtractions to your income. See the instructions
schedules.
and our Publication 101 for details. Specify your subtractions. Do
See instructions.
9
not include out-of-state income.
_____________|___
10
10
Add Lines 5 through 9. This is your total subtractions.
_____________|___
11
11
Subtract Line 10 from Line 4. This is your base income.
_____________|___
Step 4
12
Complete the calculation below to figure your Illinois exemption allowance.
Figure your
a
Write the
number of
number identified in the
exemptions from
instructions if you were claimed
exemption
your federal return.
on someone else’s return.
allowance
+
=
x
_______|___
a
$1,300
b
H
Check if
you were
spouse was
65 or
legally
65 or
legally
older
blind
older
blind
+
+
+
=
x
_______|___
b
$1,000
12
Add Lines a and b. This is your total exemption allowance.
_____________|___
Step 5
Residents only – nonresidents and part-year residents, skip Step 5 and go to Step 6.
Figure your
13
Subtract Line 12 from Line 11. This is your net income.
net income
13
Write the amount here and on Line 15.
_____________|___
Residents, skip Step 6 and go to Step 7.
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. This form has been approved by the Forms Management Center.
IL-492-0065
IL-1040 front (R-12/98)
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