30 January 2018 IRS provides guidance on Form W-4, supplemental withholding and withholding from pensions In Notice 2018-14 the IRS provides further guidance concerning the 2018 Form W-4 and income tax withholding on supplemental wages and periodic payments of pensions, annuities and other deferred income. This guidance amplifies the initial 2018 income tax withholding instructions contained in Notice 1036. Document ID: 2018-0216 |