1120 Indiana 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.
Indiana Department of Revenue
100 N. Senate Ave, Room N286
Indianapolis, IN 46204-2253
Phone
: 317-615-2550

State electronic filing details

E-filing information
Details
Grace period
5 days
E-filing mandate
Yes, corporations with $1 million in federal gross income and pass-through entities with more than 24 Schedule K-1s must e-file.
Accepts state-only filings
Yes
Return types accepted
S Corporation
C Corporation
Short year
PTET (part of main return)
Return types not accepted
Extension
Accepts returns with these conditions
Zero balance
Balance due
Refunds
Estimates with return
Amended returns
Refund due
Direct deposit of refunds
No
Accepted forms of payment
Check by mail
Direct Debit (EFW)
Pay on INTime (IN Online Portal)
Signature requirements
ERO retains signed IT-8879C for tax returns.
Supports PDF attachments
No
Tax year(s) supported for e-filing
Current tax year and two prior tax years
Special considerations
N/A
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