1040 Illinois electronic filing information

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
Illinois e-File Help Desk
: REV.ILDOR.MEFIT@illinois.gov
Refund and general questions
: 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
Amended
Return types not accepted
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.

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