Mississippi - W2 State Filing Requirements

The state requires the filing of Form W-2 if wages were paid to Mississippi employees or if income tax was withheld during the year. 

Mississippi State ID Format:
 

• 8 digits starting with 4 digits and a hyphen followed by 4 digits (Eg: 9999-9999)

• 9 digits starting with 2 digit hyphen followed by 7 digits (Eg: 99-9999999)

• 9 digits (Eg: 999999999)

Note: The state also accepts your federal EIN as a state ID
 

Filing Criteria and Requirements

1: If there is any Mississippi State Tax Withholding

• Filing Method: Direct State Filing

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

• Additional Form Required: Not Required

• Deadline: February 02, 2026
   

2: If there is no Mississippi State Tax Withholding

• Filing Method: Direct State Filing

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

• Additional Form Required: Not Required

• Deadline: February 02, 2026

For more information about Mississippi’s W2 filing requirements, click here