Staple your check and IL-1040-X-V here.
Staple W-2 and 1099 forms here.
REV 12
IL-1040-X Front (R-12/23) Printed by authority of the
state of Illinois. Electronic only, one copy.
*61512231W*
Ocial Use
Illinois Department of Revenue
Amended Individual Income Tax Return
2023 Form IL-1040-X
Step 2: Income
Step 3: Base Income
Step 4:
Exemptions -
See instructions before completing Step 4.
Step 5: Net Income and tax
Corrected gures
1 Federal adjusted gross income 1 .00
2 Federally tax-exempt interest and dividend income 2 .00
3 Other additions. Attach Schedule M. 3 .00
4 Total income. Add Lines 1 through 3. 4 .00
5 Social Security benets and certain retirement plan income.
Attach federal Form 1040 or 1040-SR, Page 1. 5 .00
6 Illinois Income Tax overpayment included in federal Form 1040 or 1040-SR, Schedule 1, Line 1.
Attach federal Form 1040 or 1040-SR, Schedule 1. 6 .00
7 Other subtractions. Attach Schedule M. 7 .00
8 Total subtractions. Add Lines 5 through 7. 8 .00
9 Illinois base income. Subtract Line 8 from Line 4. 9 .00
10 a Enter the exemption amount for yourself and your spouse. See Instructions. 10a .00
b Check if 65 or older: You + Spouse # of checkboxes x $1,000 = 10b .00
c Check if legally blind: You + Spouse # of checkboxes x $1,000 = 10c .00
d If you are claiming dependents, enter the amount from Sch. IL-E/EIC, Step 2, Line 1. Attach Sch. IL-E/EIC. 10d .00
Exemption allowance. Add Lines 10a through 10d. 10 .00
11 Residents only: Net income. Subtract Line 10 from Line 9.
Nonresidents and part-year residents only: Enter your Illinois net
income from Schedule NR.
Attach Schedule NR.
11 .00
12 Residents: Multiply Line 11 by 4.95% (.0495).
Nonresidents and part-year residents: Enter the tax from Schedule NR. 12 .00
13 Recapture of investment tax credits. Attach Schedule 4255. 13 .00
14 Income tax. Add Lines 12 and 13. Cannot be less than zero. 14 .00
15 Credit from Schedule CR. Attach Schedule CR. 15 .00
16 Property tax, K-12 education expense, and volunteer emergency worker credit from Schedule ICR.
Attach Schedule ICR. 16 .00
17 Credit from Schedule 1299-C. Attach Schedule 1299-C. 17 .00
18 Nonrefundable credits. Add Lines 15, 16, and 17. Cannot exceed the tax amount on Line 14. 18 .00
19 Tax after nonrefundable credits. Subtract Line 18 from Line 14. 19 .00
20 Household employment tax 20 .00
21 Use tax reported on your original return. You cannot change the use tax
from what you originally reported. See instructions. 21 .00
22 Compassionate Use of Medical Cannabis Program Act and sale of assets by gaming licensee surcharges 22 .00
23 Total tax. Add Lines 19, 20, 21, and 22. 23 .00
This form is authorized as outlined under the Illinois Income Tax Act. Disclosure of
this information is required. Failure to provide information could result in a penalty.
If you are changing your Illinois return due to a change to your federal return that resulted in an overpayment, do not le this form until you receive
notication the Internal Revenue Service (IRS) accepted the changes.
Step 1: Personal Information - Enter personal information and Social Security numbers (SSN). You must provide the entire SSN(s) - no partial SSN.
Mailing address (See inst. if foreign address)
Apartment number
Spouse’s rst name and middle initial
City
State
Spouse’s last name
Spouse’s year of birth
Spouse’s social security number
Your last name Your social security numberYear of birth
Foreign nation if not US (do not abbreviate)
Email address
Zip or postal code
County (Illinois only)
C Filing status:
Single
Married ling jointly
Married ling separately
Widowed
Head of household
D Check
If someone can claim you, or your spouse if ling jointly, as a dependent. See instructions.
You Spouse
A Your rst name and middle initial
E
Check the box if this applies to you during 2023.
Nonresident - Attach Schedule NR Part-year resident - Attach Schedule NR
Step 6: Tax After Nonrefundable Credits
Step 7: Other Taxes
B Check the box if
your Social Security number(s), name(s), or address listed above are dierent from your previously led return.
Use your mouse or Tab key to move through the fields. Use your mouse or space bar to enable check boxes.