IRS releases new Form W-4: What to know to avoid a refund surprise in 2020

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The IRS on Thursday released its final version of the 2020 Form W-4, with some important changes that could impact both employers and workers.

The new form is for use in 2020 – it is intended to make withholding more accurate in conjunction with the Tax Cuts and Jobs Act, which affected filers for the first time last tax season.

Amid those changes, many workers were surprised about their refund amounts – whether they were lower or even non-existent. Incorrectly filling out the new W-4 form could result in similar complications for employees moving forward.

“While the updated form may initially elicit some confusion for employees, these important changes will ultimately simplify the ability to set and adjust withholding to achieve desired results, such as a specific tax refund amount,” Pete Isberg, vice president of government affairs of ADP, said in a statement. “That being said, the form may require employees to remember specifics from their most recent tax return to properly fill out the form and avoid any issues. The 2020 Form W-4 features significant improvements and simplification for those with multiple jobs and two-earner families.”



The ultimate goal of proper withholding is to pay so much each month that you neither owe nor are owed, come April.

Among the big changes to the form are new boxes for workers to check indicating they hold multiple jobs or are part of a two-earner household – simplifying the process on previous forms.

“This is more to alert people to take other sources of income into account,” Ed Slott, CPA and founder of, told FOX Business. “It helps to highlight situations that caused problems last year.”

W4 IRS Form
Slott noted that if people hold two jobs that each pay $20,000, for example, some may be getting taxed at each job at a very low rate because their income appears so low. However, come tax time, they will owe the IRS on the full $40,000 because they may have been short throughout the year.

The same goes for sideline income.

The forms will also shift some calculations onto employers – including converting full-year expected tax credits to reduce per-payroll tax withholding, for example, as noted by ADP’s Isberg.

One area of potential confusion, pointed out by ADP, is an area that asks for “deductions other than the standard deduction” – this will require workers to enter expected deductions over the standard deduction amount, not total deductions. Further, the group notes that in two-earner households, for individuals that opt to check the applicable box in Step 2, both spouses should check the box, but only one needs to fill out Steps 3 and 4 on the form.

It should be noted that employees with current W-4 forms on file with their employers will not need to update their form unless they switch jobs, have a change in personal status or choose to.

An early draft of the withholding form released for public comment was criticized for being too complicated and for asking taxpayers to reveal too much personal information. Multiple other drafts were released and subject to public comment since.

In the meantime, it is important to check and update your withholding amounts if your end-of-year tax refund, or liability, was not what you expected. Your current W-4 will be used until the new one is put on file – meaning any surprises could be exacerbated next April.

Many people did not check their withholding amounts leading into this tax season, despite the government’s advice to do so. People received little, or no refunds, despite having a similar financial situation to the year prior. Some even owed the tax agency for the first time.

The IRS has a withholding calculator that can help.

Author: Brittany De Lea