With the passage of the new Tax Cuts and Jobs Act, the IRS has released an Updated Withholding Calculator and a new 2018 Form W4.
Please go to the following links for more information, and how this may affect you:
IRS Release IR-2018-36:
Withholding Calculator and updated Form W4:
If you need to change your Federal withholding, please fill out an updated Form W4, and submit it to the Payroll office.