W-4 Form Definition
The W-4 form, also known as the Employee’s Withholding Certificate, is an IRS form employees must fill out so employers can determine federal income tax withholding.
W-4 Form Extended Definition
The W-4 form is one part of the new hire paperwork employees must fill out when starting at a business. Employees provide their marital status, Social Security number, and federal income tax withholding information on Form W-4.
Many states also have a state W-4 form that employees must fill out for state income tax withholding.
Last Updated By
Rachel Blakely-Gray | Apr 18, 2023