If a significant modification is made to the vehicle, what procedures must be carried out?

A)No inspection is necessary until one is due based on the age of the vehicle.
B)An extraordinary technical inspection is not necessary if the modification was carried out at an authorised workshop.
C)Present the vehicle for an extraordinary technical inspection before returning to circulation.Correct
When the interested party has carried out a significant technical modification, they must take the vehicle to the ITV station to undergo an extraordinary technical inspection and may only return to circulation if the result of the inspection is favourable.