Illinois
General Information | Wage Info | Forms | State Links
| Forms and Applications | |
| Business Tax Registration | |
| Unemployment Tax Application | |
| Withholding Tax Guide - coming soon | |
| Withholding Allowance Certificate | |
| More State Withholding Forms | |
| More State Unemployment Forms | |
| Payroll Tax Returns | |
| Quarterly Withholding Income Tax Return | |
| Annual Withholding Income Tax Return | |
| Employer's Contribution & Wage Report | |