1 ptsAOfficial number: 11029
The document certifying that a motorbike has been approved for use is:
Explanation
Correct answer: a registration document
According to the provisions of the Road Traffic Act, the vehicle registration certificate is an official document confirming that a given vehicle (including a motorcycle) has been registered and meets specified technical conditions. Possession of this document is therefore a formal statement that the vehicle has been legally admitted to road traffic.