Rules of the road §6.6
Stop Lamp
You may not drive a light motor vehicle or motorcycle on a public road unless it is fitted with stop lamps at the rear. When in use, they must emit a red light, which must be greater than that of the light emitted by the rear lamps and must be visible in normal sunlight at a distance of 30 metres to a person of normal eyesight. A person may not drive a heavy motor vehicle on a public road unless i
Source: Rules manual §6.6