- Shop |
- Tax Return Supplies |
- State Filing Envelopes |
- Illinois |
- IL State Tax Estimate Envelope - 3-7/8" x 8-7/8" (ILEST10)
IL State Tax Estimate Envelope - 3-7/8" x 8-7/8" (ILEST10)
Running into an issue ? Contact UsDescription
State tax filing envelope for estimate returns in Illinois.
Mailing Address:
- ILLINOIS DEPARTMENT OF REVENUE
- SPRINGFIELD, IL 62736-0001