Schedule IL-WIT: Illinois Income Tax Withheld (2024)
Illinois · Illinois DOR · Used for tax years 2024
Schedule IL-WIT reports Illinois income tax withheld for you and your spouse, including withholding shown on W-2 and 1099 forms. It lists withholding records and totals the Illinois tax withheld for entry on Form IL-1040, Line 25.
Who files this form
Schedule IL-WIT reports Illinois income tax withheld and is attached to Form IL-1040. Include all W-2 and 1099 forms that show Illinois withholding.
Step 1 is for your withholding records. Step 2 is for your spouse’s withholding records.
What you'll need
- All your W-2 and 1099 forms showing Illinois withholding, plus your spouse’s forms for Step 2.
- Your name as shown on Form IL-1040 and your Social Security number. Provide the same information for your spouse in Step 2.
- For each withholding record: the form type, employer or payer identification number, federal income amount, Illinois income amount, and Illinois income tax withheld.
- Form IL-1040, or Amended Form IL-1040-X if you are attaching the schedule to an amended return.
How to file
- Enter your withholding records in Step 1 and your spouse’s records in Step 2.
- Use the form’s letter-code chart for Column A. Enter the employer or payer identification number in Column B, federal income in Column C, Illinois income in Column D, and Illinois income tax withheld in Column E.
- If you have more than five withholding forms, complete multiple copies of Schedule IL-WIT.
- Add Column E for Lines 1 through 10, including Column E amounts from any additional copies. Enter the total on Line 11 and on Form IL-1040, Line 25.
- Attach all Schedules IL-WIT to Form IL-1040. If attaching to Amended Form IL-1040-X, check the box at the top of the schedule.
Common mistakes
- Leaving out withholding records. The form says to include all W-2 and 1099 forms that show Illinois withholding.
- Not using additional copies when you have more than five withholding forms.
- Forgetting to include Column E amounts from additional copies in the Line 11 total.
- Forgetting to attach all Schedules IL-WIT to Form IL-1040.
The form warns that failing to provide required information could result in a penalty.
Questions people ask
Where do I enter my spouse’s withholding?
Use Step 2. Include your spouse’s name as shown on Form IL-1040, Social Security number, and all W-2 and 1099 forms showing Illinois withholding.
What if I have more than five withholding forms?
Complete multiple copies of Schedule IL-WIT. Include the Column E amounts from the additional copies in your total and attach all schedules to Form IL-1040.
Where does the total withholding go?
Enter the total Illinois income tax withheld on Schedule IL-WIT, Line 11, and Form IL-1040, Line 25.
Can I attach this schedule to an amended return?
The schedule has a checkbox for attaching it to Amended Form IL-1040-X. Check that box when attaching it to that form.