by the Brightmine Editorial Team
In addition to paying regular wages to employees, employers often make other types of payments to employees that are considered supplemental wages. Supplemental wages include the following payments:
- Tips;
- Bonuses;
- Back pay;
- Commissions;
- Overtime;
- Noncash fringe benefits;
- Sick pay paid by a third party as the employer’s agent;
- Income related to the exercise of non-statutory stock options;
- Severance pay;
- Awards and prizes;
- Retroactive pay increases;
- Nondeductible moving expenses; and
- Expense allowances paid under a nonaccountable plan.
Supplemental wages are subject to special federal and state income tax withholding rules. For both federal and state income tax purposes, the withholding method usually depends on whether the supplemental wages are paid with, or separately from, an employee’s regular wages. For federal purposes, withholding also varies depending on whether the amount of the supplemental wages is $1 million or less, or more than $1 million.
The following chart provides employers with an overview of the current federal and state methods for withholding income taxes from supplemental wage payments made to employees. States that do not have an income tax are marked “N/A”.
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About the author
The Brightmine Editorial Team
Our in-house team of HR experts carefully monitors and updates the Brightmine HR & Compliance Center, the most comprehensive library of employment law and HR resources. This team has an unrivaled wealth of subject matter expertise, with an average of 15 years’ experience. They also bring invaluable, diverse career experiences to the table—the team includes seasoned employment law attorneys, former in-house counsel, SHRM certified professionals and career employment law editors.
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