When an employee uses their personal vehicle for a business trip, the company can pay them a mileage allowance. In France, these reimbursements can be exempt from social contributions under certain conditions, specifically when they correspond to genuine professional expenses and are calculated according to applicable rules. The Urssaf publishes scales every year and reminds us that these allowances concern expenses incurred by the employee for the needs of their professional activity.
For a company, mileage allowances represent a compliance, HR management, and financial piloting topic. A vague or poorly documented reimbursement can create errors, while a clear process allows you to move quickly and keep a trackable record.
What is a mileage allowance?
A mileage allowance is a sum paid to an employee when they use their personal vehicle for a business trip. The mileage scale is used to cover a set of costs related to the use of the vehicle, such as wear and tear, maintenance, tires, insurance, and fuel. The tax administration's website explicitly states that the mileage scale takes all these expenses into account.
In other words, it is not just "reimbursing gas." It is a flat-rate reimbursement method designed to compensate for the professional use of a personal vehicle.
How mileage reimbursement works
How to calculate a mileage allowance?
The calculation is generally based on three elements:
- the type of vehicle,
- the fiscal horsepower (CV) of the vehicle,
- the number of professional kilometers driven.
The reimbursed amount therefore depends on the applicable scale. In practice, the company must verify:
- the distance actually traveled,
- the professional nature of the trip,
- vehicle information,
- overall consistency of the declarations.
Most frequent mistakes
1. Confusing business missions with home-work commutes
This is the most classic error. Business trips and regular commutes are not treated the same way. Home-work commute reimbursements depend on regular transport plans, not business mileage.
2. Not keeping enough proof
Without a date, reason, or precise route, a mileage reimbursement becomes hard to justify during an audit.
Why digitize mileage reimbursements?
As soon as a company has several mobile employees, manual management becomes heavy. An intelligent expense tracker for small team can help clearly separate business boundaries and handle calculations instantly.
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