1120 Mississippi 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.
Mississippi Dept of Revenue
E-File Coordinator
P.O. Box 1033
Jackson, MS 39215
Phone
: 601-923-7582

State electronic filing details

E-filing information
Details
Grace period
Follows IRS - 5 days for corporate extension and 10 days for corporate return.
E-filing mandate
Yes, if assets exceed $250,000 or has 100 or more Schedule K-1s.
Accepts state-only filings
Yes
Return types accepted
C Corporation
S Corporation
Consolidated/Combined
Amended
Short-year
Composite (part of main return)
Electing Pass-Through Entity Return (part of main return)
Extension
Return types not accepted
Estimate Payments
Direct deposit of refunds
No
Accepted forms of payment
Direct debit (EFW)
Electronic funds transfer (EFT)
Check by mail
Signature requirements
All filers must use PIN. In addition, ERO retains Forms 83-115/84-115 for 3 years. Same requirements for extensions.
Supports PDF attachments
Yes
Tax year(s) supported for e-filing
Current tax year and two prior tax years
Special considerations
N/A
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