Employees do not need to complete a new W-4 every year.
You may be wondering if your employees should complete a new W-4 for a new year. The answer is no – unless they want to request any changes in withholding.
Many factors impact how much federal income tax an employee should have withheld. We suggest that your employees contact their tax preparers, follow the instructions on the W-4 form, and use this tax calculator from the IRS. It is especially important for employees to consider adjusting their withholding in the case of a life event, such as marriage, divorce, or the birth or adoption of a child.