CT Form CT-W3 Information
Taxpayers are required to file Form CT-W3 annually and every Copy 1 of federal Form W-2.
Link to official form info: Connecticut Form CT-W3
Link to official form info for Form CT-W3
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To access the official link to form CT Form CT-W3 and get reminded when it's due, sign up for a free Tax Reminder account:
- Upcoming Due Dates in the Next Year:*
- Friday Jan 31, 2025
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* Due dates are based on the filing requirements for this form and may vary depending on your tax year.
10 Connecticut Tax Filings & Forms:
CT-1120 - Corporation Business Tax Return CT-1040 - Resident Income Tax Return CT-1040NR/PY - Nonresident and Part-Year Resident Income Tax Return CT-1065/CT-1120SI - Composite Income Tax Return (S Corp) CT-941 - Quarterly Reconciliation of Withholding Form CT-W3 - Annual Reconciliation of Withholding UC-2 - Employer Contribution Return CT-WH - Withholding Tax Payment Form OS-114 - Sales and Use Tax Return OS-114 - Sales and Use Tax ReturnAre we missing a Connecticut tax form?
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