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Telecommunications Excise Tax Forms
Effective July 1, 2025, the state Telecommunications Excise Tax rate includes the state 9-8-8 Suicide and Crisis Lifeline surcharge. See FY 2025-26, Telecommunications Excise Tax Rate Change, Effective July 1, 2025.
Check back soon for updated forms and instructions.
Eligible forms may be filed electronically using MyTax Illinois, a FREE online account management program.
| Name | Instructions | Description |
|---|---|---|
| RT-2 | PDF |
Telecommunications Tax Return (R-11/12) |
| RT-2-X | Amended Telecommunications Tax Return (R-11/12) | |
| RT-2-M | Telecommunications Tax Schedule (R-11/12) | |
| RT-12 | Request for Determination of Proper Tax Jurisdiction (R-04/10) | |
| REG-1-T | Telecommunications Tax Location Information (N-04/10) |