The federal withholding allowance certificate (W4) has changed significantly for 2020 and is in the same format for 2021. For assistance with how to complete the new W4 form please go to www.irs.gov or seek the assistance of a tax professional. There are a number of resources available on the IRS website. Employees might find these 2 particular resources useful.
Employees do not have to complete a new W4 for 2021; however, any modification to existing forms on file will have to be made using the 2021 form for any change made or effective for Jan 1, 2021.
The KY employee withholding certificate for 2020 has changed to reflect a change in the standard deduction.