Drivers of passenger cars must use the high-visibility reflective vest...
A)whenever they get out of the vehicle.
B)when they get out of the vehicle and occupy the carriageway or hard shoulder on any road.
C)when they get out of the vehicle and occupy the carriageway or hard shoulder on an interurban road.Correct
Both day and night, drivers of passenger cars, buses, goods transport vehicles, adaptable mixed-use vehicles, and non-agricultural vehicle combinations, when they occupy the carriageway or hard shoulder on interurban roads, must wear an approved reflective vest. They are also required to put it on before getting out of the vehicle, and not once they are already on the carriageway or hard shoulder.