On January 11, the IRS released updated 2018 income tax withholding tables, which reflect changes made by the new Tax Cuts and Jobs Act. This is the first in a series of steps that the IRS will take to help improve the accuracy of withholding following major changes made by the new tax law, the IRS stated.
The updated withholding information, shows the new rates for employers to use during 2018. Employers should begin using the 2018 withholding tables as soon as possible, but not later than February 15, 2018. They should continue to use the 2017 withholding tables until implementing the 2018 withholding tables. Read more