Get Answers Support Tax Filings & Payments State Filings W-2 State Filing Iowa - W2 State Filing Requirements Last modified 5/25/2020 3:33:31 AM EST The state requires the filing of Form W-2 if wages were paid to Iowa employees or if income tax was withheld during the year. Iowa State ID Format: 12 digits starting with 2 digits, followed by a hyphen and 10 digits (e.g., 99-9999999999). 12 digits starting with 2 digits, followed by a hyphen, 7 digits, and a final hyphen with 3 digits (e.g., 99-9999999-999). Filing Criteria and Requirements Criteria 1: If there is any Iowa state tax withheld Filing Method: Direct State Filing You must file a W-2 directly with the state. Additional Form Required: No additional forms required Deadline: February 15, 2025 Criteria 2: If there is no Iowa state tax withheld State Filing: Not required For more information about Iowa W2 filing requirements, click here. Was this helpful? Yes No Related Questions Missouri - W2 State Filing Requirements Montana - W2 State Filing Requirements Nebraska - W2 State Filing Requirements Iowa: 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