New South Wales Consolidated Acts(cf model provisions, s 72)
(1) This section applies to a dimension requirement imposed by reference to the length of a projection of a load from either side of a vehicle.
(2) Nothing in this section affects a person’s liability for a breach of a dimension requirement to which section 36 (Lower limits-width breaches: overall width of vehicle or combination) applies.
(3) Substantial risk breach The lower limit for a substantial risk breach of a dimension requirement to which this section applies is 40 millimetres over the maximum permissible dimension limit.
(4) Severe risk breach The lower limit for a severe risk breach of a dimension requirement to which this section applies is 80 millimetres over the maximum permissible dimension limit.