1041 Connecticut electronic filing information
State electronic filing details
E-Filing mandate | Yes |
State filed with federal e-file | Yes |
Accepts state-only filings | Yes |
Return types accepted |
Resident Non-resident Estimate payments Extension |
Return types not accepted | Amended |
Accepts return with these conditions |
Refund Zero balance Balance due |
Direct deposit of refunds | Yes |
Accepted forms of balance payment |
Direct debit (EFW) Credit Card Online payment Check |
Signature requirements | None |
Last date to submit E-files | Follow the federal 1041 |
Supports PDF attachments | Yes |
Special considerations | None |
E-file availability
To find out if state e-filing is available in Onvio Tax, check out the Approval Status widget on the Tax Dashboard. For details, see Using the Onvio Tax dashboard.
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.
Connecticut Department of Revenue - Electronic Commerce Unit
Email: ct.efile@po.state.ct.us
Phone: 860-297-4973
Fax: 860-297-4761
Related information
Select a state from the drop-down list or visit the State electronic filing guide article to view electronic filing information for another 1041 state.
Contact us
Call 800-968-0600
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