Have technical modifications entered in the vehicle documents

Description

Some examples of technical modifications are

• Installation of a catalytic converter or particle reduction system
• Changes to the vehicle class
• Change in engine capacity or power
• Increase/reduction of the maximum speed determined by the type of construction
• Changes to the permissible axle loads, the total weight, the payload, the fifth-wheel load, the trailer load, the towed load

The installation of a particle reduction system has an influence on the pollutant class and on the authorisation to drive in so-called environmental zones.

Required documents

• Registration certificate part I (vehicle registration document)
• Registration certificate part II (vehicle registration document)
• Proof of valid general inspection
• For commercial vehicles: safety inspection
• Confirmation/acceptance of installation or removal by an officially recognised expert or an inspector for motor vehicle traffic
• Type approval from the Federal Motor Transport Authority

Legal basis

Vehicle Registration Ordinance