Connecticut State W-2 Reporting Requirements

Does Connecticut Require State W-2 Reporting?

Yes, Connecticut does require state W-2 reporting.

How Must Connecticut State W-2 Reporting be Filed?

Connecticut accepts paper filing and e-filing.

However, employers submitting 24 or more Forms W-2 are required to file electronically.

What are the Forms and Due Dates for Connecticut State W-2 Reporting?

In addition to Form W-2, Connecticut requires Form CT-W3Connecticut Annual Reconciliation of Withholding to be filed.

Forms W-2 and CT-W3 are due by January 31.

What is the Responsible State Filing Agency?

450 Columbus Blvd., Suite 1
Hartford, CT 06103
Phone: (860) 297-5962
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