Get Answers Support Tax Filings & Payments Other Forms Form 3921 What is the Penalty for Failing to File Form 3921? Last modified 9/26/2023 1:30:25 AM EST If you fail to file a paper copy of Form 3921 (February 28) or e-file as required (March 31), you are likely to be penalized by the IRS. Below are the penalty rates for 3921: Time Limit Minimum Maximum Filed within 30 days $50 $571,000 per year After 30 days and before August 1 $110 $3,426,000 per year After August 1 $280 $3,426,000 per year To avoid penalties, you can easily e-file Form 3921 with TaxBandits before the deadline. Was this helpful? Yes No 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