June 5, 2019 You should check your withholding – also known as doing a Paycheck Checkup – as soon as possible, using the Withholding Estimator on IRS.gov. By checking your withholding, you can make sure enough is being taken out of your paychecks or other income to cover the tax owed. Check your withholding when life changes occur including: Marriage or divorce Birth or adoption of a child Purchase of a home Retirement Chapter 11 bankruptcy New job or loss of job Some life changes might affect your itemized deductions or credits. Check your withholding if you experience changes to: Medical expenses Taxes Interest expense Gifts to charity Dependent care expenses Education credit Child tax credit Earned income tax credit