A step-by-step guide to help you fill out a W-4 Fact checked by Vikki Velasquez Completing Form W-4 accurately is crucial for managing your tax withholding. The form determines how much tax is ...
Employers complete form W-2 annually to report employee earnings and tax withholdings. Employees complete form W-4 when starting a new job to tell employers how much to withhold from their paychecks.