Mileage Reimbursement Rules For Employers

Reimbursing employees for their business-related driving will not only make them feel fairly treated but also, if done right, provide tax benefits.

Why you should consider employee reimbursement

Whether your employees drive company cars or their personal vehicles for business, you might need to reimburse them for their expenses. Depending on which state you're in, this might even be a requirement.

Federal laws do not require you to reimburse your employees for their transportation expenses, but check state legislation to be sure.

There are also certain benefits to having an employee reimbursement program, namely that it can help keep your employees happy and even attract new ones. If done correctly, employee reimbursement is tax-free for your business - reimbursements are deductible business expenses, so it actually helps you pay less in taxes.

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Mileage reimbursement rules

The government does not oblige you to pay mileage reimbursement to your employees, but this can vary at the state level. We suggest you check with your legal advisor or accountant to be sure.

You need an accountable plan for your employee reimbursement

The IRS defines the mileage reimbursement rules for recording and reimbursing mileage (all transportation expenses, in fact) that both you and your employees must live up to. In short, there are three IRS mileage rules to qualify for an accountable plan:

• The reimbursement must stem from services done for an employer, i.e., a trip driven for business - not commuting to and from work.
• Employee mileage and payments must be adequately accounted for.
• Any excess mileage paid out must be returned within a "reasonable period of time".

Also, your employees must keep mileage records that are "timely" - updated near or at the time of the trip - weekly is considered fine by the IRS.

What the IRS defines as a “reasonable period of time”

The IRS mileage rules set the standard reaction time to 120 days when it comes to keeping records and reimbursements up to date in your company.

• Employees should receive a payment within 30 days of having business mileage expenses.
• Employees should be able to adequately account for their business expenses within 60 days.
• You provide employees with a periodic statement (at least quarterly) that asks employees to either return or adequately account for outstanding advances.
• Employees should return any excess reimbursement within 120 days of the payout.

If you stick with monthly payouts and settle with your employees every quarter, making sure any excess is returned within the following months (120 days max), you will qualify for an Accountable Plan, assuming their recordkeeping is in order.

Try an employee reimbursement program for teams

If you are a manager or an employee looking for a solution for your team, you can try our team option.

Our Teams option allows you to follow mileage reimbursement rules more easily and reduce your managers' and employees' workloads. Quickly review and validate your team’s reimbursement claims with easy workflows for submitting and approving mileage.

Check out our guide on setting up a team ,and let us know if you have any additional questions.

Employee reimbursement methods

There are a few methods your business can choose to use as a reimbursement program.

The IRS standard mileage rate, a mileage allowance, or paying out a fixed and variable rate. The most common employee reimbursement is the standard mileage rate due to its simplicity. Read more about each method and see what will best fit the employer mileage reimbursement program.

IRS standard mileage rate

Every year, the IRS sets a new optional standard mileage rate. It is meant to cover all costs of owning and running the employee’s vehicle for business use and represents the highest reimbursement you can get for each mile driven for business and still get a full deduction.

The 2025 business mileage rate is 70 cents per mile. Learn more about the 2025 IRS mileage rates.

The same goes for your employees: If they are reimbursed at the standard mileage rate, they do not pay tax on it, as it will not be considered income. Should they, however, be reimbursed over that amount, the excess is taxed as income.

See how the standard mileage rate for business is set and the current and historical mileage rates.

You can choose to use either a lower or higher rate than the one set by the IRS, but most companies consider the IRS rate the standard.

Mileage allowance

An allowance is paid upfront, typically every month, and then settled later using a mileage rate. You can give an allowance to ensure your employees have cash on hand to cover their expenses, such as car lease payments. 

The administrative burden of paying an allowance and accounting for expenses afterward can be cumbersome if you don't have a streamlined payment process.

Even if you use an allowance, you and your employees still need to be aware of the IRS' standard mileage rate. If the allowance comes out to a higher reimbursement than would have resulted from using the IRS' standard mileage rate, the excess needs to be returned. If it isn't returned, the excess needs to be reported as pay and be taxed.

FAVR (Fixed and Variable Rate)

Another common alternative to the standard mileage rate is FAVR, under which you pay:

• a fixed amount to cover your employees' fixed costs (lease or depreciation, insurance, etc.)
• a cents-per-mile rate to cover your employees' variable costs (gas, maintenance, oil, etc.)

You cannot use the IRS' standard mileage rate to cover only variable costs. You still have to be aware of the IRS' standard mileage rate and compare the total FAVR paid out to the IRS'. Once again, any excess amount is taxed.

Best practices for your employee reimbursement program

Most companies use apps for mileage tracking and the IRS standard mileage rate reimbursement method to adhere to mileage reimbursement rules. This saves time for employees who no longer have to manually keep mileage logs, and it's the easiest solution administratively. It also avoids the inflation of mileage claims by employees while making sure they receive the reimbursement they're entitled to.

While you can use our mileage tracker app, we recommend you look around and find options that best suit your business needs for automating mileage tracking and record keeping.

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