90Number plate lights

90 Number plate lights (1) At least 1 number plate light must be fitted to the rear of a vehicle. (2) When on, the number plate light or lights must illuminate a number plate on the rear of the vehicle with white light, so the characters on the number plate can be read at night 20 metres from the rear of (3) A number plate light: (a) may be combined with another light; and (b) must not project white light to the rear of the vehicle except by reflection; and (c) must not obscure the characters on the number plate; and (d) must be wired to come on, and stay on, when a parking light, headlight or tail light on the vehicle is on.