Federal Tax Withholding Troubleshooting

Federal Tax Withholding Troubleshooting


The W-4 form is a key part of payroll—it’s how employees indicate how much federal income tax should be withheld from their pay. Filling out a W4 form incorrectly can result in substantial tax obligations when an employee files their annual return, so we’re here to help keep you and your employees compliant!

Because the W-4 is a personal tax document that reflects each employee’s unique financial situation, employers are generally encouraged to provide only limited guidance. That said, there are excellent resources available to help employees feel confident when completing their form. For example, BerniePortal’s HR Blog offers a helpful guide, How to Fill Out Form W-4 in 2024, and the video at the top of this article walks through both completing the form and using a tax calculator to understand its impact.

Third-party Tax Calculators can also be a great resource for Employees looking to better understand how their W4 will affect their Federal tax withholdings. We have some directions below, but THIS video will help you walk through how to utilize it. 

  1. IRS provides a Tax Withholding Estimator, which can be used to estimate your federal tax withholding based on your W4 and personal finances 
    1. In order to best utilize this tool, employees will need their paystubs, information about other sources of income, and their most recent tax return handy
  2. PayCity provides a Tax Withholding Calculator that Employees can utilize to calculate their Take-Home Pay based on how their W4 has been completed 
    1. In order to best utilize this tool, employees will need a copy of their completed W4 and a recent check stub.
Didn't find what you were looking for? Send us a ticket.

    • Related Articles

    • Understanding Federal Withholding (FITW) on Employee Paychecks

      Federal Income Tax Withholding (FITW) is calculated from each employee's Form W-4, taxable wages for the pay period, and current IRS withholding rules. Amounts can change from paycheck to paycheck even when the W-4 has not changed. What Determines ...
    • Payroll Tax Glossary

      This glossary defines common tax codes and abbreviations that appear on BerniePortal pay stubs, tax filings, and payroll reports. For broader payroll terminology (gross pay, subgroups, voids, and similar), see Payroll Glossary. Employee Taxes These ...
    • Payroll Tax Management: How BerniePortal Handles Tax Filings for Payroll Clients

      For BerniePortal Payroll clients, Certified Payroll Tax Professionals handle tax calculation support, filings, remittances, and year-end forms so employers can focus on day-to-day payroll accuracy. What's Included Payroll tax calculation as part of ...
    • How to Handle Tax Notices from State or Federal Agencies

      Employers sometimes receive notices from state or federal tax agencies about payroll taxes — rate changes, filing questions, payment discrepancies, and similar items. Forward notices promptly so the tax team can respond within agency deadlines. What ...
    • State Tax Setup and State Tax IDs

      When employees perform work in a state, employers typically need state tax IDs with that state's agencies so withholdings and unemployment contributions can be remitted correctly. What Are State Tax IDs SITW ID (State Income Tax Withholding) — ...