IRS Publication 15-B: Fringe Benefit Exclusions and W-2 Reporting

IRS Publication 15-B treats every fringe benefit an employer provides as taxable wages unless a specific Internal Revenue Code section excludes it. The 2026 edition sets the dollar caps for the major exclusions: health coverage, up to $50,000 of group-term life insurance, $340 per month for transit and $340 per month for parking, $5,250 for education, $7,500 for dependent care, $17,670 for adoption assistance, and HSA contribution limits of $4,400 self-only or $8,750 family. Anything outside those exclusions, or any amount above the cap, is added to the employee’s wages at fair market value.

The Default Rule

A fringe benefit is any form of pay for services beyond regular cash wages. Company cars, free flights, gym memberships, discounted merchandise, employer-paid insurance, occasional gifts. Federal law includes all of it in gross income unless a Code section carves out an exclusion.¹

When a benefit is taxable, the amount that goes into wages is its fair market value, meaning what the employee would pay an unrelated third party for the same thing. The employer’s cost doesn’t matter, and neither does the employee’s opinion of what it’s worth.¹ The employer determines that value, withholds the right taxes, and reports the amount on Form W-2. If a benefit doesn’t fit neatly into one of the exclusions below, assume it’s taxable.

Exclusions and Their 2026 Limits

Accident and Health Coverage

Employer-provided health coverage is the largest exclusion in the code. Under IRC Section 106, the value of coverage through an accident or health plan is excluded from gross income entirely.² That covers premiums for medical, dental, and vision, contributions to a trust or fund providing health benefits, and reimbursements of medical expenses under a qualifying plan. The plan can be insured or self-funded and can extend to a spouse, dependents, and children under 27.³

Group-Term Life Insurance

Coverage up to $50,000 per employee is completely tax-free.⁴ Coverage above that triggers a taxable amount, but the number added to wages isn’t the actual premium. Instead, the IRS uniform premium table sets a monthly cost per $1,000 of coverage above $50,000 based on the employee’s age at year-end.³ Employer-paid life insurance on a spouse or dependent with a face value of $2,000 or less is excluded as a de minimis fringe.⁵

Qualified Transportation

For 2026, employers can provide up to $340 per month for transit passes and commuter highway vehicle transportation combined, plus $340 per month for qualified parking.⁶ Anything above the caps is taxable to the employee. Qualified parking means parking on or near the employer’s premises, or at a location from which the employee commutes by transit, carpool, or vanpool. Note the asymmetry on the employer side: the benefit stays tax-free for the employee, but the Tax Cuts and Jobs Act eliminated the employer’s deduction, so the expense comes out of after-tax dollars.

Educational Assistance

Under a written qualified educational assistance program, an employer can pay up to $5,250 per year for tuition, fees, books, and supplies tax-free.⁷ The education doesn’t need to be job-related and can be undergraduate or graduate. This cap begins adjusting for inflation for tax years starting after 2026. Amounts above $5,250 are taxable unless the education separately qualifies as a working condition fringe by maintaining or improving skills the employee needs in the current job.⁸ Coursework that qualifies the employee for a new career doesn’t fit that exception.

Dependent Care Assistance

Tax-free up to $7,500 per year for 2026, or $3,750 for a married employee filing separately.⁹ It covers daycare, preschool, and after-school programs for a dependent child under 13, and care for a spouse or dependent unable to care for themselves. The program must be in writing and can’t favor highly compensated employees. Amounts above the cap are taxable, and expenses reimbursed through this program can’t also be used for the child and dependent care credit.

HSAs and Health FSAs

Employer HSA contributions are excluded from income and aren’t subject to employment taxes.² For 2026, the combined employer-employee HSA contribution limit is $4,400 for self-only coverage and $8,750 for family coverage, and the employee must be enrolled in a qualifying high-deductible health plan.¹⁰ Contributions above the limit become taxable. The 2026 health FSA salary reduction limit is $3,400. Long-term care services provided through an FSA are specifically excluded from tax-free treatment and must be included in income.

No-Additional-Cost Services and Employee Discounts

A no-additional-cost service is one the employer already offers to the public and provides to the employee at no meaningful extra cost. Standby airline seats for airline employees, empty hotel rooms for hotel workers. The employer can’t lose revenue or incur substantial additional expense, and the benefit must come from the employee’s own line of business.⁸

A qualified employee discount applies to goods or services the employer sells to customers. For goods, the tax-free discount can’t exceed the employer’s gross profit percentage. If the markup is 40%, employees can receive up to a 40% discount tax-free. For services, the ceiling is 20% off the public price. Real estate and investment-type property are excluded from these rules.

Working Condition Fringes

A working condition fringe covers property or services the employee could have deducted as an ordinary business expense if they had paid for it themselves. Professional memberships, trade journal subscriptions, job-related training. When something has both business and personal use, only the business portion qualifies. Employer-provided cell phones fit here when the employer has a genuine business reason for providing the phone, such as reaching the employee for emergencies or requiring availability outside business hours. When those conditions are met, the IRS treats business use as excludable without requiring a call-by-call log.¹¹

Achievement Awards

Tangible personal property given for length of service or safety achievement can be excluded up to $400 per year, or up to $1,600 per year under a written qualified plan that doesn’t favor highly compensated employees.⁶ The award has to be tangible property. Cash, gift cards, vacations, meals, lodging, event tickets, and securities don’t qualify. Length-of-service awards require at least five years of service. Safety awards can’t go to managers or to more than 10% of eligible employees in the same year.

Adoption Assistance

Employer-provided adoption assistance under a written qualified program is excludable up to $17,670 for 2026, up from $17,280 in 2025. It covers reasonable adoption expenses including court costs, attorney fees, and travel, and applies to both domestic and foreign adoptions. For children with special needs, the full exclusion may be available even if actual expenses were lower. The exclusion phases out at higher income levels.

Company Vehicles: Three Ways to Value Personal Use

Personal use of an employer-provided vehicle is a taxable fringe benefit. Business use qualifies as a working condition fringe. The task is splitting total use into business and personal miles and putting a dollar figure on the personal portion. Publication 15-B allows three methods.

The annual lease value method is the most common. Look up the vehicle’s fair market value on the IRS table to get an annual lease value, then multiply by the personal-use percentage. The FMV is generally set on the date the employer first makes the vehicle available to any employee.

The cents-per-mile rule values each personal mile at the IRS standard mileage rate, which is 72.5 cents per mile for 2026.¹² It’s available only when the vehicle’s FMV doesn’t exceed $61,700 when first made available for personal use and the vehicle is regularly used in the employer’s trade or business.¹³

The commuting rule is the simplest: $1.50 per one-way commute.³ The employer must require the commute in the vehicle for legitimate business reasons and maintain a written policy prohibiting all personal use other than commuting and minor detours. If multiple employees share the vehicle, each picks up $1.50 per one-way trip.

Cash and Gift Cards Are Never De Minimis

The de minimis rule covers benefits so small and infrequent that tracking them would be unreasonable. Occasional office snacks, holiday parties, company logo merchandise, small birthday gifts. There’s no fixed dollar threshold. The IRS looks at both value and frequency.

Cash and cash equivalents never qualify, no matter how small. A $10 bill in a holiday card is taxable. A holiday ham is not. Gift cards redeemable for general merchandise are cash equivalents and must be included in wages. This is the rule employers violate most often, usually without realizing it.

Getting Taxable Benefits onto the W-2

Once a benefit is taxable, its fair market value flows through payroll. Value is set on the date the benefit is provided, but a special accounting rule lets employers treat noncash fringe benefits provided during the last two months of the year as paid in the following January.⁶ That lets payroll close year-end without chasing every December benefit before W-2 filing.

Taxable fringe benefits are subject to federal income tax withholding, Social Security tax, and Medicare tax, just like cash wages. The employer can withhold from a regular paycheck or treat the benefit as supplemental wages and apply the supplemental rate. Deposits follow the same schedule as regular payroll taxes.

The value goes on Form W-2 in Box 1, Box 3, and Box 5.⁶ Personal use of a company vehicle and group-term life insurance above $50,000 also require separate reporting in Box 12 using designated codes. Employees should be told the benefit’s value and how taxes were handled, since with noncash items they may not otherwise realize additional income was reported.

What Getting It Wrong Costs

Employers who leave taxable fringe benefits out of wages face failure-to-deposit penalties on the unpaid employment taxes. The penalty scales with lateness: 2% for one to five days late, 5% for six to fifteen days, 10% for more than fifteen days, and 15% once the IRS has issued a notice and payment still hasn’t arrived within ten days.¹⁴

An accuracy-related penalty of 20% also applies to any underpayment tied to a substantial understatement of income tax.¹⁵ If the IRS finds a gross valuation misstatement, such as a company vehicle valued at a fraction of its true worth, the penalty doubles to 40%. These apply per underpayment, so misclassifying benefits across a workforce adds up fast. Keep contemporaneous records of how each benefit was valued and classified. That’s the best defense if questions come up later.

1
eCFR. 26 CFR 1.61-21 – Taxation of Fringe Benefits
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Office of the Law Revision Counsel. 26 US Code 106 – Contributions by Employer to Accident and Health Plans
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Internal Revenue Service. Publication 15-B (2026) Employer’s Tax Guide to Fringe Benefits
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Office of the Law Revision Counsel. 26 US Code 79 – Group-Term Life Insurance Purchased for Employees
5
Internal Revenue Service. Group-Term Life Insurance
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Internal Revenue Service. Publication 15-B (2026) Employer’s Tax Guide to Fringe Benefits
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Office of the Law Revision Counsel. 26 USC 127 – Educational Assistance Programs
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Office of the Law Revision Counsel. 26 USC 132 – Certain Fringe Benefits
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Office of the Law Revision Counsel. 26 USC 129 – Dependent Care Assistance Programs
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Internal Revenue Service. Notice 2026-5 – Expanded Availability of Health Savings Accounts Under the One, Big, Beautiful Bill Act
11
Internal Revenue Service. Notice 2011-72 – Tax Treatment of Employer-Provided Cell Phones
12
Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile, Up 2.5 Cents
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Internal Revenue Service. The Standard Mileage Rates and Maximum Automobile Fair Market Values Have Been Updated for 2026
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Internal Revenue Service. Failure to Deposit Penalty
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Office of the Law Revision Counsel. 26 US Code 6662 – Imposition of Accuracy-Related Penalty on Underpayments