TaxBandits Knowledge Base

Connecticut - W2 State Filing Requirements

 The state requires the filing of Form W-2 if wages were paid to the Connecticut employees during the calendar year, even if no Connecticut income tax was withheld.

Connecticut State ID Format: 
 

• 9 digits followed by a hyphen and 3 digits (Eg: 999999999-999) or
• 12 digits (Eg: 999999999999)

Filing Criteria and Requirements

Criteria 1: If there is any Connecticut state tax withheld

• Filing Method: Direct State Filing

  • You must file a W-2 directly with the state.

• Additional Form Required: Form CT-W3 / CT-W3 HHE 

  • If you file W2 state forms with TaxBandits, we support Form CT-W3/CT-W3 HHE at no additional cost

• Deadline: January 31, 2025
   

 Criteria 2: If there is no Connecticut state tax withheld

• Filing Method: Direct State Filing

  • You must file a W-2 directly with the state.

• Additional Form Required: Form CT-W3 / CT-W3 HHE 

  • If you file W2 state forms with TaxBandits, we support Form CT-W3/CT-W3 HHE at no additional cost

• Deadline: January 31, 2025

For more information about Connecticut W-2 filing requirements, click here.