Federal Extra Withholdings (W4 Step 4C)

Modified on Mon, Mar 20, 2023 at 11:23 AM

When an employee completes a Federal W4, they can elect to withhold additional tax from each pay period.  To do this, the employee should enter an amount on Line 4(c) of the Federal W4 form.   




Processing of Extra Withholdings on Supplemental Wages:

Supplemental wages are paid through a casual other earning in SchoolFi.  The District has the option for each individual casual other earning to utilize the Percentage Method table as detailed in IRS Publication 15-T or the 22% optional flat rate withholding.


The follow chart highlights the two options and the Federal Income Tax withholding treatment, along with the extra withholdings.  The Green $ represents where the extra withholdings will be included in the Federal Income Tax deduction.   





Payroll  >>>  Setup Option

The district has the option highlighted below.


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