(1) The lower limit for a substantial risk breach of a mass requirement is—
(a) for a mass requirement that relates to the gross mass of a heavy vehicle or heavy combination—the greater of the following:
(i) 105% of the maximum permissible mass under the mass requirement, rounded up to the nearest 0.1t;
(ii) 0.5t; or
(b) in any other case—105% of the maximum permissible mass under the mass requirement, rounded up to the nearest 0.1t.
Note 105% of the maximum permissible mass is equivalent to the permissible mass plus an extra 5%.
(2) The lower limit for a severe risk breach of a mass requirement is 120% of the maximum permissible mass under the mass requirement, rounded up to the nearest 0.1t.
Note 120% of the maximum permissible mass is equivalent to the permissible mass plus an extra 20%.
(3) In this section:
"legislatively specified mass limit" means a mass limit in a heavy vehicle road law or another territory law.
"mass requirement" means a mass requirement for a heavy vehicle or heavy combination, or any component of a heavy vehicle or heavy combination, or any load in a heavy vehicle or heavy combination, that is imposed by reference to—
(a) a legislatively specified mass limit; or
(b) a manufacturer's mass rating; or
(c) the lower of—
(i) a legislatively specified mass limit; and
(ii) a manufacturer's mass rating.
Note A regulation may prescribe a lower limit that is higher (see s 120).