1040 Connecticut 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.
Department of Revenue Services
Help Desk
P.O. Box 2964
Hartford, CT 06104-2964
Email
: CT.eFile@ct.govPhone
: 860-297-4973 or 860-297-5979 Tax Refund Inquiries
: 860-297-5962 or 800-382-9463 State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 5 days |
E-filing mandate | You must e-file if preparing 50 or more returns. |
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 Part-year resident Nonresident Estimate payments (there will be a separate e-file for each estimate payment) Extension Amended |
Return types not accepted | N/A |
Accepts returns with these conditions | Refund Zero balance Balance due |
Direct deposit of refunds | Yes |
Accepted forms of payment | Direct debit (EFW) Credit card Check Online ePayment |
Signature requirements | Completing federal Form 8879 signature requirements satisfies state requirement |
Driver's license requirements | Required |
Supports PDF attachments | No |
Tax year(s) supported for e-filing | Current tax year and two prior tax years (except for amended returns, which aren't eligible for e-file) |
Special considerations | See Electronic filing handbook |
