You will require this approval if you intend to modify a heavy vehicle.
This approval is needed for modifications that can affect the safety of the
There are two categories of heavy vehicle modifications that require
- Modifications that are outlined in the code of practice (which require approval by an Approved Vehicle Examiner).
- Modifications that are outside the scope of the code of practice that
may cause the vehicle to be non-compliant with a heavy vehicle standards (which require approval by both an Approved Vehicle Examiner and the responsible agency).
A heavy vehicle is a vehicle with a gross vehicle mass (GVM) or an
aggregate trailer mass (ATM) of more than 4.5 tonnes. Please consult the responsible agency for more information and to ascertain the level of compliance (if any) that may be required.