The exemption under clause 8 of a person using, or causing or permitting the use of, a vehicle or combination equipped with one or more road-friendly suspension systems is subject to the following conditions:

(a) it is being operated on a route specified in, and in accordance with, Schedule 4 ;

(b) the mass of an 8-tyred tandem axle group fitted with a road-friendly suspension system must not exceed 17 tonnes;

(c) the mass of a 12-tyred tri-axle group fitted with a road-friendly suspension system must not exceed 22.5 tonnes;

(d) the aggregate axle load must not exceed the sum of the allowable axle loads of the axle groups in the combination;

(e) an axle or axle group fitted after 1 January 2000 must be certified by the manufacturer as road-friendly;

(f) the vehicle or combination must not exceed the mass limits corresponding to the axle spacings specified in Schedule 2 , exclusive of the additional mass allowed under paragraphs (b) and (c) ;

(g) the certificate of accreditation under an approved mass-management scheme of the person on whose behalf the vehicle is being used must be carried in the vehicle and produced on demand to a police officer or an authorised officer.