Search results
You must submit Form IL-W-4 when Illinois Income Tax is required to be withheld from compensation that you receive as an employee. You may file a new Form IL-W-4 any time your withholding allowances increase. If the number of your claimed allowances decreases, you must file a new Form IL-W-4 within 10 days.
2024 Withholding (Payroll) Tax Forms. Click here to file your IL-941 return or pay your IL-501 in MyTax Illinois. Click here for information about filing your W-2s and 1099s. Form.
Illinois Form IL-W-4 is one of the most important state-issued tax forms for employees residing in Illinois. Correctly filling out this form lets your employer withhold the correct amount from your wages and ensures you avoid penalties or overpaying.
1 sty 2016 · 2012 Tax Year (For withholding taxes 01/01/2012 through 12/31/2012) 2011 Tax Years and Prior (For withholding taxes prior to 01/01/2012) For information and forms related to unemployment insurance tax, visit the Illinois Department of Employment Security’s website at ides.illinois.gov
Illinois Department of Revenue. Form IL‐W‐4. Employee’s Illinois Withholding Allowance Certificate and Instructions. Who must complete Form IL‐W‐4? If you are an employee, you must com-plete this form so your employer can with-hold the correct amount of Illinois Income Tax from your pay.
compensation that you receive as an em-ployee. You should complete this form and give it to your employer on or before the date you start working for your employer. You may file a new Form IL-W-4 any time your withholding allowances increase.
We last updated the Employee's Illinois Withholding Allowance Certificate in January 2024, so this is the latest version of Form IL-W-4, fully updated for tax year 2023. You can download or print current or past-year PDFs of Form IL-W-4 directly from TaxFormFinder.