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Information For
About IDOR
| Businesses | ||
| IL-505-B - Extension Payment | IL-1065 - Partnership Return Payment | |
| IL-990-T - Exemption Organization Payment | IL-1120 - Corporate Return Payment | |
| IL-1023-C - Composite Return Payment | IL-1120-ES - Estimated Payments | |
| IL-1041 - Fiduciary Return Payment | IL-1120-ST - Small Business Return Payment | |
| Withholding | ||
| IL-501 - Payment | FSET | |
| TaxNet | ||
| Motor Fuel | ||
| IDR-277 - Use Tax Single Trip Permits | ||