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2011 and Prior Years Withholding Tax Forms (Payroll)
| Name | Description |
|---|---|
| IL-941 | Illinois Withholding Income Tax Return and Instructions Note to Annual Filers: IL-941-A is obsolete, use IL-941 to file your annual return. |
| IL-941-X | Amended Illinois Withholding Tax Return Note to Annual Filers: IL-941-A-X is obsolete, use IL-941-X to amend a previously filed IL-941-A. |
| UI-WIT-X | Amended Illinois Income Tax Withholding Return for Household Employers Note: For tax years on or before 2010. Beginning with 2011, file your household withholding tax on your IL-1040. Click here for more information. |