This article applies to:

1040 Illinois electronic filing 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 Filing Division

101 West Jefferson, MC 2-249

Springfield, IL 62704

Website
: Electronic Filing Information for Tax Professionals

Email
: REV.ILDOR.MEFIT@illinois.gov

Phone
: 217-524-4767

Refund and general questions
: 800-732-8866 or 217-782-3336

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. PIN is not allowed as signature.
Driver's license requirements	Optional
Supports PDF attachments	Yes
Tax year(s) supported for e-filing	Current tax year and two prior tax years
Special considerations	N/A