1041 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 Filing Section
P.O. Box 19479
Springfield, IL 62794-9479
Phone
: 217-785-0574

State electronic filing details

E-filing information
Details
Grace period
10 calendar days
E-Filing mandate
Mandated for trusts, not required for amended returns or returns of estates.
Accepts state-only filings
Yes - Attach the federal XML created for this State (Default) - Only Federal e-file validation errors have to be cleared. E-file Reject Diagnostics do not have to be cleared.
Return types accepted
Resident
Non-resident
Return types not accepted
Amended
5227
Part-year resident
Estimate payments
Extension
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
No
Supports PDF attachments
Yes
Special considerations
N/A
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