Has to be visible at vertical 45 degrees so overhead cameras can see it
http://www.austlii.edu.au/au/legis/v...eg/rsr2009309/
Code:
(1) The registered operator of a vehicle must ensure each number plate issued
by the Corporation for the vehicle is permanently affixed to the vehicle so
that, when the vehicle is on level ground-
(a) the number plate is at all times in an upright position parallel to
the vehicle's axles; and
(b) the number plate is at all times not more than 1×3 metres above ground
level; and
(c) for a motor cycle, the centre of the number plate is at all times at
least 30 centimetres above ground level; and
(d) the number or letters, or both, on the number plate are clearly
visible from a distance of 20 metres from the number plate at any
point within the space produced by a horizontal arc of 90 degrees and
a vertical arc of 45 degrees, as indicated by the shaded areas in
figures 5 and 6; and
(e) any cover on the number plate-
(i) is clear, clean, untinted and flat over its entire surface; and
(ii) has no reflective or other characteristics that would prevent the
successful operation of a device approved for use under a law relating
to the detection of traffic offences; and
(f) for a motor vehicle other than a motor cycle, one number plate is
affixed to the front of the vehicle and another to its rear; and
(g) for a motor cycle or trailer, the number plate is affixed to the rear
of the motor cycle or trailer.
(2) The requirements in subregulations (1)(a) to (d) do not apply to a number
plate for a vehicle if-
(a) due to the construction of the vehicle it is not practicable to comply
with the requirements; and
(b) the number plate is affixed in a way that complies as far as
practicable with the requirements.
(3) If a vehicle is fitted with a bicycle carrier, the number plate required
under subregulation (1)(f) to be fitted to the rear of the vehicle may instead
be securely affixed to the bicycle carrier.
Originally Posted by maaaaark
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