Chargebacks

A chargeback is a fee charged to an employee for personal use of a company vehicle. It’s used to offset the taxable value of that benefit.

When an employee uses a company vehicle for non-business purposes, like commuting, running errands, or weekend trips, that use is considered a taxable fringe benefit under IRS rules. Employers are required to calculate the value of that personal use and report it as income. A chargeback helps balance that value by recovering some or all of the cost from the employee.

There are a few common ways companies calculate chargebacks:

• Fair Market Value (FMV): Estimates the value based on what it would cost to lease or own a similar vehicle
• Cents-Per-Mile method: Calculates the value by multiplying personal miles by an IRS-defined rate, if eligibility requirements are met

In most cases, chargebacks are processed through payroll. That means accurate tracking of both business and personal mileage is essential to keep things compliant and defensible.

While chargebacks support proper tax treatment, they can add administrative work and may be frustrating for employees, especially when they reduce take-home pay. Over time, this can raise questions around fairness and program design, particularly in fleets with a high level of personal vehicle use.