South Australian Numbered Regulations South Australian Numbered Regulations83—Pattern of fitting tail lights
(1) If only 1 tail light is fitted to a vehicle, it must be fitted in the centre or to the right of the centre of the vehicle’s rear.
(2) Subrule (1) applies to a motor bike with an attached sidecar as if the sidecar were not attached.
(3) If 2 or more tail lights are fitted to a vehicle, at least 2 tail lights must be fitted as a pair.
(4) Tail lights fitted in accordance with this Division may also serve as rear clearance lights if they are fitted to a vehicle in accordance with rule 89(3).