Register for payment using BelToll and pick up the on-board unit is possible at one of the Customer Service Point branches. Deposit for on-board unit for vehicles up to 3.5 t is € 20 and € 50 for vehicles over 3.5 t. Tolls with on-board unit for vehicles up to 3.5 t can only be paid in pre-paid mode, for which is a minimum top-up limit set at € 25.