The electronic SARS tax logbook allows you to track, measure and monitor vehicle mileage, fuel consumption and maintenance costs easily and effortlessly. Ensure your Odometer reading is updated and that your vehicle details are correct (registration, VIN, description). Log your business and private trips, fuel, and maintenance via the Matrix App. Download your tax logbook via the app or the Matrix Online Tracking Platform. The log in details for the Online Tracking Platform are the same as for your app.