1065 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
Taxpayer Assistance Division
PO Box 19044
Springfield, IL 62794-9044
Phone
: 800-732-8866 or 217-782-3366

State electronic filing details

E-filing information
Details
Grace period
10 calendar days
E-filing mandate
Yes
Accepts state-only filings
Yes
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
Partnership
Extension
Return types not accepted
Amended
Consolidated
Composite
Composite Extension
Estimates
Accepts returns with these conditions
Refund
Zero balance
Balance due
Direct deposit of refunds
No
Accepted forms of payment
Direct debit (EFW)
Check by mail
Electronic funds transfer
Signature requirements
None
Supports PDF attachments
Yes
Tax year(s) supported for e-filing
Current tax year and two prior tax years
Chat now

error-icon

Triva isn't available right now.

Check out the support page for our phone number and hours

error-close