You will need a VASS approval certificate from a Signatory in the Vehicle Assessment Signatory Scheme if your vehicle has been modified, imported or is an individually constructed vehicle.

What is a Vass approval certificate?

A VASS Certificate is an approval certificate issued under the VicRoads Vehicle Assessment Signatory Scheme. It is also known as an “Engineer's Certificate” or “Engineer's Report”. Other states can call it “Blue plates”, “VSB6 Plates”, or “VSB14 approval”.

How much does a Vass certificate cost?

I then contacted a registered VASS engineer and he confirmed that a vehicle configured as I was intending to do would require a Certificate which he was authorised to do, minimum cost $440.