South Australian Current Regulations South Australian Current Regulations24—Carriage of number plates
For the purposes of section 47(1) of the Act, the following provisions
apply to the carriage of number plates:
(a) a
motor vehicle must have attached to it—
(i)
in the case of a motor bike, motor trike or
trailer—1 number plate at the rear;
(ii)
in the case of a tractor or agricultural
machine—1 number plate;
(iii)
in any other case—1 number plate at the front
and 1 number plate at the rear,
such that—
(iv)
the bottom edge of the plate is not less than
30 centimetres above the level of the ground and in such a position that
every figure and letter of the registered number is upright; and
(v)
—
(A) in the case of a plate placed on the
front of the vehicle—the whole of the plate is visible from the front;
and
(B) in the case of a plate placed on the
rear of a vehicle—the whole of the plate is visible from the rear;
(b)
every letter and figure on a number plate must be—
(i)
clearly visible in daylight to a person standing on the
same plane as the vehicle at any point not less than 3 metres or more
than 18 metres from the plate looking at the plate along an imaginary
line approximately at right angles to the plate; and
(ii)
legible from left to right on a plane level with the
ground; and
(iii)
clean and legible at all times;
(c) a
number plate must be rectangular.