(1)  At least one number plate light must be fitted to the rear of a light vehicle.

(2)  When on, the number plate light or lights must illuminate a number plate on the rear of the light vehicle with white light, so the characters on the number plate can be read at night 20 metres from the rear of the vehicle.

(3)  A number plate light –

(a) may be combined with another light; and

(b) must not project white light to the rear of the light 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 light vehicle is on.