If your motorcycle has a seat belt fitted, when must you use it?

If your motorcycle has a seat belt fitted, when must you use it?
A)Only when travelling on interurban roads and through roads.
B)Only when travelling on interurban roads.
C)On all types of roads.Correct
The use of the seat belt is compulsory for the driver and passenger of motorcycles and motorcycles with a sidecar, mopeds, three-wheeled vehicles and quadricycles that are fitted with a protective structure and seat belts, and where this is stated in the corresponding technical inspection card. This obligation applies when travelling on all types of public roads.