What Changes Have Been Made to Form W-4 Over the Years? Form W-4 was changed in December 2020 under the terms of the Tax Cuts and Jobs Act (TCJA) that went into effect at the end of 2017.
Determining your tax withholding as a U.S. taxpayer isn’t the easiest task. But if you landed a new job or had a major life milestone this tax season (a new ...