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); or
(b) Use the Multiple Jobs Worksheet on page 3 and enter the result in Step 4(c) below for roughly accurate withholding; or
(c) If there are only two jobs total, you may check this box. (Provided Below) Do the same on Form W-4 for the other job. This option is accurate for jobs with similar pay; otherwise, more tax than necessary may be withheld.