Please rate Form Il 941 X R-12-25
Electronically file this form on MyTax Illinois at mytax.illinois.gov or using an IDOR approved tax prep software program, OR mail this form and any required support.
Lines A1 and A2: only complete Lines A1 and A2 when you file your 4th quarter or final return.
Disclosure: disclosure of this information is required. Failure to provide information may result in this form not being processed and may result in a penalty.
Payment: if Line 4 is greater than Line 7, make your payment electronically or make your remittance payable to “Illinois Department of Revenue.”
Semi-weekly payers: must pay electronically.
Section A: list only those payees or employees whose income and withholding amounts are needing correction or those employees not reported in the previous filing.
| Question | Answer |
|---|---|
| Form Name | IL-941-X |
| Form Length | 4 pages |
| Fillable? | Yes |
| Fillable fields | 406 |
| Avg. time to fill out | 60+ min |
| Edition | R-12/25 |
| Issuing agency | Illinois Department of Revenue |
| Where to send | Illinois Department of Revenue, PO Box 19052, Springfield IL 62794-9052 |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | IL-941-X, IL941X, IL 941 X, Form IL-941-X, Illinois IL-941-X, Amended Illinois Withholding Income Tax Return, 941-X |
| Official source | IL-941-X (Rev R-12/25), Illinois Department of Revenue |
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Please rate Form Il 941 X R-12-25
