What does this panel on a vehicle indicate?

A)That its load protrudes from the rear.Correct
B)That its length exceeds 12 metres.
C)That it transports dangerous goods.
This panel will be used to indicate the load when it protrudes from the rear of the vehicle.
When the load protrudes longitudinally across the entire width of the rear of the vehicle, we will place 2 panels and their stripes will form an inverted "V".
If we are driving at night, in addition, we will use a red light.
The long vehicle sign indicates that the vehicle or combination of vehicles has a length exceeding 12 metres.
When the load protrudes longitudinally across the entire width of the rear of the vehicle, we will place 2 panels and their stripes will form an inverted "V".
If we are driving at night, in addition, we will use a red light.
The long vehicle sign indicates that the vehicle or combination of vehicles has a length exceeding 12 metres.