New South Wales Consolidated Acts(cf model provisions, s 71)
(1) This section applies to a mass requirement imposed by reference to:(a) a legislatively specified mass requirement, or(b) a manufacturer’s mass rating, or(c) the lower of:for a vehicle or combination, or for any component of a vehicle or combination, or for any load in or on a vehicle or combination.(i) a legislatively specified mass requirement, and(ii) a manufacturer’s mass rating,
(2) Substantial risk breach The lower limit for a substantial risk breach of a mass requirement to which this section applies is:(a) in the case of a mass requirement that relates to the gross mass of a vehicle or combination:(i) 105% of the maximum permissible mass, rounded up to the nearest 0.1 tonne, or(ii) 0.5 tonne,whichever is the greater, or(b) in any other case-105% of the maximum permissible mass, rounded up to the nearest 0.1 tonne.Note: 105% of the maximum permissible mass is equivalent to the permissible mass plus an additional 5%.
(3) Severe risk breach The lower limit for a severe risk breach of a mass requirement to which this section applies is 120% of the maximum permissible mass, rounded up to the nearest 0.1 tonne.Note: 120% of the maximum permissible mass is equivalent to the permissible mass plus an additional 20%.