Get Answers Support Payroll Taxes and Forms Payroll Tax Forms What is Form W4, and Why is it important? Last modified 9/20/2024 8:46:18 AM EST Form W-4 is the IRS tax document that the employees must fill out to inform the employers how much tax to withhold from their wages. This form determines the filing status, dependents, and other deductions. Based on these details, employers will deduct the taxes from the employee’s paycheck. 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