Complete this step if you (1) hold more than one job at a time, or (2) are married filing jointly and your spouse also works. The correct amount of withholding depends on income earned from all of these jobs.
Do only one of the following.
(a) Use the estimator at www.irs.gov/W4App for most accurate withholding for this step (and Steps 3-4). If you or your spouse have self-employement income, use this option; or
(b) Use the Multiple Jobs Workseet on page 3 and enter the result in Step 4(c) below; or