(1)  A permit is void and of no effect if the vehicle or combination to which the permit applies is used –

(a) on a route other than on a route which it is permitted to travel under the permit; or

(b) at a time other than a time at which it is permitted to travel under the permit; or

(c) while accompanied by fewer than the number of pilot vehicles required under the permit applying to it; or

(d) with an aggregate axle mass, inclusive of any load, that exceeds by more than 10% the mass permitted under the permit; or

(e) with a dimension, inclusive of any load, that exceeds by more than 10% the dimensions permitted under the permit.

(2)  A Gazette notice is void and of no effect in respect of a particular person, vehicle or combination if the person uses, or causes or permits to be used, a vehicle or combination –

(a) on a route other than on a route which it is permitted to travel under the notice; or

(b) at a time other than a time at which it is permitted to travel under the notice; or

(c) while accompanied by fewer than the number of pilot vehicles required under the notice applying to it; or

(d) with an aggregate axle mass, inclusive of any load, that exceeds by more than 10% the mass permitted under the notice; or

(e) with a dimension, inclusive of any load, that exceeds by more than 10% the dimensions permitted under the notice.