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State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Illinois Department of Revenue
Electronic Commerce Division
101 West Jefferson, MC 2-249
Springfield, IL 62702
www.tax.illinois.gov
Email: nancy.schoen@illinois.gov
Phone: 866-440-8680 or 217-558-9549
Tax Refund Inquiries: 800-732-8866 or 217-782-3336
State electronic filing details
| Grace period | None |
| E-filing mandate | You must e-file if you are preparing more than 10 returns (follows IRS electronic filing mandate). |
| Accepts state-only filings | Yes |
| Return types accepted |
Resident Part-year resident Nonresident Estimate payments |
| Return types not accepted |
Amended Extension |
| Accepts returns with these conditions |
Refund Zero balance Balance due |
| Direct deposit of refunds | Yes |
| Accepted forms of payment |
Direct debit (EFW) Credit card Online ePayment |
| Signature requirements | ERO retains IL-8453 for 3 years |
| Supports PDF attachments | Yes |
| Tax year(s) supported for e-filing | Current tax year and two prior tax years |
| Special considerations | See Electronic Filing Information for Tax Professionals on the Illinois Revenue website. |
State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Electronic Filing Division
P O Box 19479
Springfield, IL 62794-9479
www.revenue.state.il.us/TaxProfessionals/index.htm
Email: debbie.bartholomew@illinois.gov
Phone: 866-440-8680
State electronic filing details
| Grace period | 10 calendar days |
| E-filing mandate | Yes, when required to e-file federal. |
| Accepts state-only filings | Yes |
| Return types accepted |
C Corporation S Corporation Consolidated / Combined Short year (for years ending after December 26) Estimates Extension |
| Return types not accepted |
Amended Short year returns ending before December 26 |
| Accepts returns with these conditions |
Refund Zero balance Balance due |
| Direct deposit of refunds | Yes |
| Accepted forms of payment |
Direct debit (EFW) Electronic funds transfer (EFT allowed for return only) Check by mail (for return only) |
| Signature requirements | Illinois accepts federal |
| Supports PDF attachments | No |
| Tax year(s) supported for e-filing | Current tax year and two prior tax years |
| Special considerations | If you file an extension electronically, you must pay via EFW. |
State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Illinois Department of Revenue
Taxpayer Assistance Division
PO Box 19044
Springfield, IL 62794-9044
Website: tax.illinois.gov
Phone: 800-732-8866
State electronic filing details
| Grace period | 10 calendar days |
| E-filing mandate | Yes, you must e-file if you are required to e-file the federal. |
| Accepts state-only filings | Yes |
| Return types accepted |
Partnership Estimates Extension Withholding (part of main return) |
| Return types not accepted |
Amended Short year |
| Accepts returns with these conditions |
Refund Zero balance Balance due |
| Direct deposit of refunds | Yes |
| Accepted forms of payment |
Direct debit (EFW) Check by mail Electronic funds transfer (EFT is required if payment exceeds $20,000) |
| Signature requirements | None |
| Supports PDF attachments | No |
| Tax year(s) supported for e-filing | Current tax year and two prior tax years |
| Special considerations |
State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Illinois Department of Revenue - Taxpayer Assistance Division
Phone: 866.440.8680
State electronic filing details
| Grace period | 10 Days |
| E-Filing mandate | Yes, return must be e-filed if federal return is e-filed |
| Accepts state-only filings | Yes |
| Return types accepted |
Resident Non-resident Estimate payments (with return) Extension (balance due only) Withholding (part of main return) |
| Return types not accepted | Amended |
| Accepts return with these conditions |
Refund Zero balance Balance due |
| Direct deposit of refunds | Yes |
| Accepted forms of payment |
Direct debit (EFW) Online payments via MyTaxIllinois Check |
| Signature requirements | None, enter dates on the ILELF screen to sign the return |
| Supports PDF attachments | Yes |
| Special considerations |
You must pay balances greater than $20,000 electronically IL requires a federal attachment with the return |
State electronic filing details
Electronic filing is not available for Illinois nonprofit returns.
State contact information
Illinois Department of Revenue
Phone number: 217-782-8881
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