Get Answers Support Tax Filings & Payments 94x Forms 943, 944, 945 When is the due date to file Form 945? Employers are required to file Form 945 annually by January 31 of the following year to report the total amount of federal income tax withheld and any deposits made throughout the year. This form is important because it ensures that the correct amount of federal income tax is paid and credited to the appropriate taxpayer's account. Note: If the Form 945 due date falls on a Federal holiday or weekend, the next business day will be the due date. Was this helpful? Yes No Related Questions What are the penalties associated with Form 945? How to file Form 945 in TaxBandits? What Information is required to e-file Form 945 through TaxBandits? 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