City
Illinois Department of Revenue
Form IL-941
2024
Illinois Withholding Income Tax Return
Instructions available at tax.illinois.gov
Step 2: Tell us about your business
A1 Enter the total number of Forms W-2 reporting Illinois withholding you issued for the entire year.* A1 ________________
A2 Enter the total number of Forms 1099 reporting Illinois withholding you issued for the entire year.* A2 ________________
*Only complete Lines A1 and A2 when you le your 4th quarter or nal return.
B If your business has permanently stopped withholding because it has closed, or you no
longer pay Illinois wages or withhold Illinois taxes from other payments, check Box B and
enterthedateyoustoppedwithholding.Thisisconsideredyournalreturn.Donotlefuture
returns, unless you resume withholding Illinois income tax. B __ __ / __ __ / 2024
Step 3: Tell us about the amount subject to withholding
1 Enter the total dollar amount subject to Illinois withholding tax this reporting period, including
payroll, compensation, and other amounts. See instructions. 1 _________________
Step 4: Tell us about the amount withheld
2 Enter the exact amount of Illinois Income Tax you actually withheld from your employees or others on the date
you paid the compensation. Only enter amounts on days you made withholding - leave the remaining “Day” lines
blank. If you withheld no Illinois Income Tax during the month, enter “0” on the corresponding “Total” line - Line 2a,
2c, or 2d (noted by “ ”).
2a First month of quarter (i.e., January for 1st quarter; April for 2nd quarter; July for 3rd quarter; and October for 4th quarter)
 DayAmount DayAmount DayAmount DayAmount
1 ____________.___ 9 ____________.___ 17 ____________.___ 25 ____________.___
2 ____________.___ 10 ____________.___ 18 ____________.___ 26 ____________.___
3 ____________.___ 11 ____________.___ 19 ____________.___ 27 ____________.___
4 ____________.___ 12 ____________.___ 20 ____________.___ 28 ____________.___
5 ____________.___ 13 ____________.___ 21 ____________.___ 29 ____________.___
6 ____________.___ 14 ____________.___ 22 ____________.___ 30 ____________.___
7 ____________.___ 15 ____________.___ 23 ____________.___ 31 ____________.___
8 ____________.___ 16 ____________.___ 24 ____________.___
Total Illinois Income Tax withheld this month. (Add Section 2a, Lines 1-31.) 2a ____________.___
IL-941 (R-12/23)
*71012231W*
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.
Continue on the next page.
Printed by the authority of the State of Illinois - web only, 1 copy.
Check this
box if your
business
name has
changed.
Check this
box if your
address
has changed.
Check this
box if this is
 yourrst
return.
Reporting Period
Check the quarter you are reporting.
1st (January/February/ March)
due April 30, 2024
2nd (April/May/June)
due July 31, 2024
3rd (July/August/September)
due October 31, 2024
4th
(O
ctober/November/Decembe
r)
due January 31, 2025
Thisformisrequiredtobeledelectronically.Torequestawaiver,completeandsubmitFormIL-900-EW.Toleelectronically,useMyTax
Illinois at mytax.illinois.govoranIDOR-approvedtaxprepsoftwareprogram.
Step 1: Provide your information
Federalemployeridenticationnumber(FEIN) Seq.number
Business name
C/O
State Zip
Mailing Address
Page 1 of 3
Use your mouse or Tab key to move through the fields. Use your mouse or space bar to enable check boxes.
Step 4: Continued
2b Enter the amount from Page 1, Step 4, Line 2a. 2b ____________.___
2c Second month of quarter (i.e., February for 1st quarter; May for 2nd quarter; August for 3rd quarter; and November for 4th quarter)
 DayAmount DayAmount DayAmount DayAmount
1 ____________.___ 9 ____________.___ 17 ____________.___ 25 ____________.___
2 ____________.___ 10 ____________.___ 18 ____________.___ 26 ____________.___
3 ____________.___ 11 ____________.___ 19 ____________.___ 27 ____________.___
4 ____________.___ 12 ____________.___ 20 ____________.___ 28 ____________.___
5 ____________.___ 13 ____________.___ 21 ____________.___ 29 ____________.___
6 ____________.___ 14 ____________.___ 22 ____________.___ 30 ____________.___
7 ____________.___ 15 ____________.___ 23 ____________.___ 31 ____________.___
8 ____________.___ 16 ____________.___ 24 ____________.___
Total Illinois Income Tax withheld this month. (Add Section 2c, Lines 1-31.) 2c ____________.___
2d Third month of quarter (i.e.,Marchfor1stquarter;Junefor2ndquarter;Septemberfor3rdquarter;andDecemberfor4thquarter)
 DayAmount DayAmount DayAmount DayAmount
1 ____________.___ 9 ____________.___ 17 ____________.___ 25 ____________.___
2 ____________.___ 10 ____________.___ 18 ____________.___ 26 ____________.___
3 ____________.___ 11 ____________.___ 19 ____________.___ 27 ____________.___
4 ____________.___ 12 ____________.___ 20 ____________.___ 28 ____________.___
5 ____________.___ 13 ____________.___ 21 ____________.___ 29 ____________.___
6 ____________.___ 14 ____________.___ 22 ____________.___ 30 ____________.___
7 ____________.___ 15 ____________.___ 23 ____________.___ 31 ____________.___
8 ____________.___ 16 ____________.___ 24 ____________.___
Total Illinois Income Tax withheld this month. (Add Section 2d, Lines 1-31.) 2d ____________.___
Add Lines 2b, 2c, and 2d and enter the total amount here. This is the total dollar amount of
Illinois Income Tax actually withheld from your employees or others for this quarter. 2 _________________
Step 5: Tell us about your payments and credits
3 Enter the amount of credit from the Schedule WC you are using this period. See instructions. 3 _________________
4 EnterthetotaldollaramountofwithholdingpaymentsyoumadetotheIllinoisDepartmentof
Revenue(IDOR)forthisperiod.ThisincludesallIL-501payments(electronicandpaper
coupons). Do not estimate this amount. 4 _________________
5 Add Lines 3 and 4 and enter the total amount here. 5 _________________
*71012232W*
Step 6: Figure your balance
6 If Line 2 is greater than Line 5, subtract Line 5 from Line 2. This is your remaining
balance due. Make your payment electronically or make your remittance payable
to “Illinois Department of Revenue.” If Line 5 is greater than Line 2, see the instructions.
(Semi-weekly payers must pay electronically.) 6 ________________
Mail to: ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19052
SPRINGFIELD IL 62794-9052
NS IR DR_______________
IL-941 (R-12/23)
Step 7: Sign here Under penalties of perjury, I state that, to the best of my knowledge, this return is true, correct, and complete
Paid Preparer’s PTIN
Firm’s FEIN
Firm’s phone
( )
CheckiftheDepartmentmay
discuss this return with the paid
preparer shown in this step.
Paid
Preparer
Use Only
Firm’s name
Print/Type paid preparer’s name
Paid preparer’s signature
Date(mm/dd/yyyy)
Check if
self-employed
Sign
Here
Signature
Date(mm/dd/yyyy)
Title
Daytimephonenumber
( )
Firm’s address
Page 2 of 3
Illinois Department of Revenue
Filing period:
2024 Schedule P Illinois Withholding Schedule __________
Schedule P (R-12/23)
Complete and attach to Form IL-941 to verify Illinois income and withholding records. This form is required.
Business name _____________________________________ FEIN ______________________________
ThisformisauthorizedundertheIncomeTaxAct.Disclosureofthisinformationisrequired.Failure
to provide information may result in this form not being processed and may result in a penalty.
#
Payee’s/Employee’s
name
SSN (do not include
dashes)
Income for
Quarter
Withholding
for Quarter
1
2
3
4
5
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8
9
10
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12
13
14
15
16
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*72012241W*
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