Mileage reimbursement: how it works, tax limits and how to optimise business expenses

Mileage reimbursement is a common business practice designed to cover employees' costs when travelling for work in their own vehicles. However, specific limits apply to the tax deductibility of these reimbursements. In this article we look at how mileage reimbursement works, how to determine deductibility limits, the implications for companies and employees, and how to optimise business costs with the right tools.

What is mileage reimbursement?

Mileage reimbursement is the amount paid by an employer to employees to cover transport costs incurred when using their own vehicle for work. It generally covers fuel, maintenance, wear and tear, and insurance.

How does mileage reimbursement work?

Mileage reimbursement is calculated according to the distance an employee travels for work, using the rate per kilometre set annually by ACI and in line with Italian Revenue Agency guidance. The amount per kilometre varies according to vehicle type, engine capacity, year and total distance travelled for the company. Tax deductibility depends on vehicle power and fuel type.

Tax deductibility limits for mileage reimbursements

1. Vehicle deductibility limits

Tax rules establish deductibility limits for each vehicle type. In general, motor vehicles (cars, motorcycles and vans) have limits based on engine capacity, fuel type and fiscal horsepower. For example, petrol vehicles up to 17 fiscal horsepower and diesel vehicles up to 20 fiscal horsepower allow greater deductibility.

2. Annual limit

The tax deductibility limit is calculated annually. Each year the Italian Revenue Agency reviews the deductible limits for mileage reimbursements, so staying up to date is essential. If reimbursement exceeds the annual limits, the excess is non-deductible and could be taxed as additional employee income.

3. Private versus business use

Only mileage travelled for business purposes is deductible and reimbursable.

How do you determine the tax deductibility limit?

Each year the Italian Revenue Agency publishes updated tables setting the per-kilometre values of deductible reimbursements for different vehicle categories. Companies must use these tables to calculate reimbursements correctly and determine deductibility, also considering vehicle power and fuel type.

As an example only: for 2024, the mileage reimbursement for car X with an engine capacity of up to 1,600 cc is €0.25 per kilometre, while vehicle Y with an engine capacity above 2,000 cc could have a lower deductibility limit.

What happens if the deductibility limit is exceeded?

If the mileage reimbursement exceeds the limit set by tax rules, the excess is non-deductible. The company may also need to tax the excess as additional employee income, with the associated taxes. This can create tax problems for both the company and the employee.

How to simplify mileage reimbursement management

Managing mileage reimbursements manually can be complex and error-prone. Tax rules vary according to engine capacity, fiscal horsepower and fuel type, and keeping pace with annual changes takes considerable effort, especially as the number of employees and directors grows. A dedicated software platform can simplify the process by up to 90%.

Our software solution automates mileage reimbursement calculations, reducing the risk of errors and ensuring full compliance with Italian tax rules. The Italian Revenue Agency's annual tables, accounting for factors such as engine capacity and fiscal horsepower, are integrated into the system: reimbursements are calculated correctly and management takes less time.

Tax optimisation: an opportunity not to miss

Knowing the deductibility limits and applying them correctly can make a major difference to your business. Every kilometre travelled represents an expense that, if managed correctly, can be deducted for tax purposes. Our platform not only simplifies reimbursement calculations but also helps optimise business costs by ensuring maximum tax deductibility. And it allows you to monitor every individual journey in a single application.

Conclusions

Mileage reimbursement is an essential practice for companies whose employees travel for business or undertake professional activities requiring private vehicles. To avoid penalties and optimise costs, however, it is essential to understand the tax deductibility limits: companies must keep up with the Italian Revenue Agency's annual tables and calculate reimbursements within legal limits.

With s@tXrkm, managing mileage reimbursements has never been so simple and efficient. Its processing speed lets you calculate and approve reimbursements in a few clicks, saving valuable time. The simplicity of the interface makes it easy to navigate features, while accurate calculations ensure each reimbursement complies with tax rules. In addition, s@tXrkm is constantly updated to the latest regulations, ensuring maximum tax compliance at all times.

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