Get Answers Support Tax Filings & Payments Data Validation USPS Validation Does USPS validation guarantee that the 1099 form will be delivered to the recipients? Last modified 1/16/2025 8:03:57 AM EST USPS validation improves the chances of successful delivery by ensuring the address is properly formatted and deliverable. However, it does not guarantee delivery, as factors such as incorrect recipient information or issues at the delivery location can still impact the outcome. 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