Knowledge – CARTEST

The CARTEST knowledge base offers practical articles on homologation, individual vehicle approvals and structural modifications — written in clear language for business owners, safety specialists and the automotive industry.

What will you find here?

Topics include certificates of conformity (COC), passenger and commercial vehicle homologation, and approvals for special-purpose vehicles. These articles complement our services — they do not replace individual advice on your specific case.

Changing the number of seats in a passenger car
Certificate of Conformity (CoC) — what it is and when you need it to register a car A certificate of conformity, also called a CoC, decides whet... Read more
Passenger car type-approval — what is it?
Truck type-approval
Approval of special vehicles for road use

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