New South Wales Consolidated Acts(cf Act No 119, 1980, s 8; Act No 34, 1949, s 8A)
(1) For the purposes of Schedule 1:(a) the weight of a trailer is the gross weight of the trailer (including any articles affixed to it) unladen and ready for attachment to another motor vehicle, and(b) the weight of a motor vehicle (other than a trailer) is the gross weight of the motor vehicle, laden with the tools and accessories usually carried and with such fuel, water and oil as are in or on it, but otherwise unladen, and(c) the weight of a motor vehicle (including any trailer drawn by it) that exceeds 5 000 kilograms shall, if it is used solely for mining purposes within the Western Division of the State, be taken to be 5 000 kilograms.
(2) For the purposes of this section, the weight of a motor vehicle shall be rounded off to the nearest multiple of 10 when the weight is expressed in kilograms.
(3) The Authority may, by order, direct that the weight of a vehicle of a specified make and description is, for the purposes of this Act, the weight specified in the order.
(4) The weight to be specified is the weight which the Authority has determined is the average weight of vehicles of the make and description concerned.
(5) Such a direction has effect for the purposes of determining the tax payable under this Act in respect of a vehicle of the make and description concerned, despite anything to the contrary in this section.