Get Answers Support Tax Filings & Payments State Filings W-2 State Filing Missouri - W2 State Filing Requirements Last modified 5/25/2020 3:54:17 AM EST The state requires the filing of Form W-2 if wages were paid to Missouri employees or if income tax was withheld during the year. Missouri State ID Format: 8 digits (e.g., 99999999) Filing Criteria and Requirements Criteria 1: If there is any Missouri State Tax Withholding Filing Method: Direct State Filing You must file a W-2 directly with the state. Additional Form Required: Form MO-W3 If you file W2 state forms with TaxBandits, we support Form MO-W3 at no additional cost Deadline: January 31, 2025 Criteria 2: If there is no Missouri State Tax Withholding Filing Method: Direct State Filing You must file a W-2 directly with the state. Additional Form Required: Not Required Deadline: January 31, 2025 For more information about Missouri’s W2 filing requirements, click here. Was this helpful? Yes No Related Questions Montana - W2 State Filing Requirements Nebraska - W2 State Filing Requirements New Jersey - W2 State Filing Requirements Missouri: 1099 State Filing Requirements Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in