MOTOR VEHICLES (STANDARDS) REGULATIONS 2003 (Northern Territory)

These Regulations (Motor Vehicles (Standards) Regulations 2003) set out technical standards, limits and procedural requirements that determine how motor vehicles and vehicle combinations may be loaded, dimensioned, fitted and identified in the Northern Territory. They operate by: (a) importing the Australian Vehicle Standards Rules into Territory law (r 27, Sch 6); (b) prescribing numeric limits on masses borne by wheels, tyres, axles and axle groups (rr 5-7, Sch 1); (c) converting certain technical conditions into permissible higher limits where specified vehicle equipment or certifications exist (for example road friendly suspension, r 8; ultra low floor buses, r 9; certain concessions for accredited interstate operators, r 12A); (d) fixing dimensional and projection rules for loads and special vehicles (rr 19-23, rr 24-26); and (e) creating offences, evidentiary presumptions and procedural expectations for operators, manufacturers and the Registrar (rr 35-38).

Mechanically, the Regulations do most of their regulatory work through: defined measurement rules (for example what counts as mass carried on a tyre or axle, r 4(4)); schedules that give the numeric mass limits for different axle and tyre configurations (Schedule 1); a formula that determines GCM when no manufacturer certification exists (Schedule 2, r 12(2)); a tabulated B‑double consecutive axle group mass table (Schedule 3, r 13); wheel/load interaction tables for non‑pneumatic or solid rubber tyres (Schedules 4 and 5, rr 15-16); and by declaring the Australian Vehicle Standards Rules to be law in the Territory (r 27, Sch 6). Where the Regulations permit departures from national rules, they do so by express local exemptions (for example exemptions to right‑hand drive, spray suppression, ABS or speed limiting rules at rr 28-33).

Decision‑making power is concentrated with the Registrar (approvals, certification, inspection labels and some approvals to vary installation requirements, see r 4 definitions and r 34(7)). Manufacturer specifications are given legal weight: wheel, rim and tyre manufacturers’ load limits are first reference points for compliance (rr 5-7). Offences for driving non‑compliant vehicles on roads or public places are created (r 35) and most contraventions are regulatory offences (r 36). The Regulations also set evidentiary mechanics: certificates by the Registrar are treated as prima facie proof of certain manufacturer limits and GVM/GCM particulars (r 38).

NORTHERN TERRITORY OF AUSTRALIA MOTOR VEHICLES (STANDARDS) REGULATIONS 2003 As in force at 21 January 2026 Table of provisions Part 1 Preliminary 1 Citation ............................................................................................ 1 2 Commencement .............................................................................. 1 3 Application ....................................................................................... 1 4 Interpretation ................................................................................... 1 4A Excluded provisions ......................................................................... 5 Part 2 Motor vehicles standards Division 1 Mass limits of vehicles 5 Mass limit for wheel ......................................................................... 5 6 Mass limit for tyre ............................................................................ 5 7 Mass limit for axle or axle group ...................................................... 5 8 Road friendly suspension ................................................................ 6 9 Ultra low floor 2 axle route bus ........................................................ 6 10 Bus with road friendly suspension ................................................... 6 11 Retractable axle............................................................................... 6 Division 2 Limits to laden mass 12 Laden mass of vehicle or vehicle combination ................................ 7 12A Concessional mass limits for certain vehicles.................................. 7 13 Laden mass of consecutive axle groups.......................................... 8 14 Laden mass of trailer ....................................................................... 8 Division 3 Certain special vehicles 15 Vehicle fitted with non-rubber tyres or solid rubber tyres ................. 9 16 Vehicle fitted with all or some rubber tyres .................................... 10 17 Tyres filled with water .................................................................... 10 Division 4 Axle group spacing for B-Double 18 Axle group spacing requirements for B-Double ............................. 11 Division 5 Size and projection of load 19 Front and side projections ............................................................. 11 20 Rear projections ............................................................................ 12 21 Dangerous projections ................................................................... 12

Motor Vehicles (Standards) Regulations 2003 ii 22 Projection of load on motor cycle................................................... 12 23 Size limits ...................................................................................... 13 Division 6 Requirements for converter dollies 24 Converter dollies used in road trains ............................................. 13 Division 7 Identification of road trains 25 Identification of hauling unit of road train ....................................... 14 26 Identification of trailers used in road train ...................................... 14 Part 3 Australian Vehicle Standards Rules Division 1 Australian Vehicle Standards Rules 27 Australian Vehicle Standards Rules are law of the Territory .......... 15 Division 2 Exemptions from certain rules 28 Exemption from right-hand drive requirement................................ 15 29 Exemption from spray suppression requirement for B-double ....... 16 30 Exemption from pneumatic tyre requirement for certain vehicles.......................................................................................... 16 31 Exemption from ABS brakes for road trains................................... 16 32 Exemption from speed-limiting requirement for road train ............. 16 33 Exemption in relation to vehicle carriers ........................................ 17 Division 3 Additional requirements in relation to certain rules 34 Rear marking plates ...................................................................... 17 Part 4 Offences 35 Compliance with Regulations ........................................................ 19 36 Regulatory offences....................................................................... 19 37 Defence if excess loading within certain limits ............................... 20 Part 5 Miscellaneous 38 Certificate in relation to manufacturer's gross axle load limit etc. ................................................................................................. 20 39 Repeal ........................................................................................... 21 40 Repealed Regulations continue to apply ....................................... 21

Motor Vehicles (Standards) Regulations 2003 iii Schedule 1 Schedule 2 Schedule 3 Schedule 4 Schedule 5 Schedule 6 ENDNOTES

NORTHERN TERRITORY OF AUSTRALIA

As in force at 21 January 2026

MOTOR VEHICLES (STANDARDS) REGULATIONS 2003 Regulations under the Motor Vehicles Act 1949 Part 1 Preliminary 1 Citation These Regulations may be cited as the Motor Vehicles (Standards) Regulations 2003. 2 Commencement These Regulations come into operation on the date fixed by the Minister by notice in the Gazette. 3 Application These Regulations do not apply to a nonconforming vehicle within the meaning of Part 5A of the Act. 4 Interpretation (1) In these Regulations: axle spacing means the distance between the centre of an axle of an axle group of a vehicle or vehicle combination and the centre of any other axle of the axle group. hauling unit, in relation to a vehicle combination, means the rigid motor vehicle or prime mover towing the other vehicles of the vehicle combination. inspection label, in relation to a vehicle, means a label, issued by the Registrar or an approved person, specifying the GVM or GCM of the vehicle (or other approved particulars in relation to the vehicle) and affixed to the vehicle in the approved manner. manufacturer's gross axle load limit, in relation to an axle group, means the load recommended by the manufacturer of the axle group, by specification or otherwise, as being the maximum load at which that axle group should be operated.

Part 1 Preliminary Motor Vehicles (Standards) Regulations 2003 2 manufacturer's maximum rim load, in relation to the rim of a wheel, means the load recommended by the manufacturer of that rim, by specification or otherwise, as the maximum load at which that rim should be operated. manufacturer's maximum tyre load, in relation to a tyre, means the load recommended by the manufacturer of the tyre, by specification or otherwise, as the maximum load at which that tyre should be operated. night means the period between sunset on one day and sunrise on the next day. non-reactive load sharing suspension system, in relation to a vehicle, means a load sharing suspension system of an axle group of the vehicle in which there is no transfer of vertical loading from one axle of the axle group to another axle of that axle group when the vehicle's brakes are applied. overall axle spacing means: (a) in relation to a rigid motor vehicle, articulated vehicle or component vehicle of a vehicle combination – the distance between the centre of the foremost axle and the centre of the rearmost axle of the rigid motor vehicle, articulated vehicle or component vehicle; and (b) in relation to axle groups which are adjacent to each other when any 2 component vehicles of a vehicle combination, including a rigid motor vehicle or an articulated vehicle, are coupled together – the distance between the centre of the foremost axle of the rearmost axle group of the leading vehicle and the centre of the rearmost axle of the foremost axle group of the trailing vehicle. Diagram depicting overall axle spacing

Part 1 Preliminary Motor Vehicles (Standards) Regulations 2003 3 pig trailer means a trailer with one axle group or single axle near the middle of its load-carrying surface, and connected to the towing vehicle by a drawbar. Diagram depicting a typical pig trailer public place means any part (other than a road) of a park, reserve, parking area, recreational or sporting ground, racecourse, drive-in theatre, beach or any other open place, that is open to or used by the public, whether with or without payment for admission, but does not include the track within an enclosed ground used for vehicle or animal speed races or trials. road friendly suspension means a suspension system approved by the Registrar or another registration authority, or certified as such by the manufacturer, in relation to which: (a) during free transient low frequency vertical oscillation of the sprung mass above an axle or axle group, the measured frequency and damping with the suspension carrying its maximum legal load fall within the following limits: (i) the frequency of the sprung mass above the axle or axle group in free transient vertical oscillation is not higher than 2.0Hz; (ii) the mean damping ratio is more than 20% of the critical damping for the suspension in its normal operating condition; (iii) where dampers have been fitted, the damping ratio of the suspension with all dampers removed or incapacitated is not more than 50% of the mean damping ratio; (iv) in respect of a multiple axle group fitted to a vehicle, the static load share between axles in the axle group is less than 5%; and

Part 1 Preliminary Motor Vehicles (Standards) Regulations 2003 4 (b) each axle is fitted with dual tyres, except in respect of a 6-tyred tandem axle group in which case one axle in the axle group may have single tyres fitted. single-pivot load sharing suspension system, in relation to a tandem axle group, means a load sharing suspension system of the tandem axle group, designed to allow the springing medium of the 2 axles of that tandem axle group to pivot about a common centre of rotation. specification includes an identification device, vehicle data plate, catalogue, handbook or other written matter issued by or on behalf of a manufacturer in respect of a vehicle or a component of a vehicle, or plant, machinery or equipment, manufactured by the manufacturer. steer axle means an axle or axle group connected to the steering mechanism of a motor vehicle and capable of being used by the driver to direct the course of that motor vehicle. steerable axle means an axle or axle group fitted to a vehicle, but not connected to the steering mechanism of the vehicle, by means of which the course of that vehicle may be altered. these Regulations include the Australian Vehicle Standards Rules contained in Schedule 6. tyre section width means the nominal linear distance between the exteriors of the sidewalls of an inflated pneumatic tyre. urban route means a route within a motor omnibus urban route service area declared by notice under section 47 of the Commercial Passenger (Road) Transport Act 1991. (2) Unless the contrary intention appears, if a word or expression that is used in a regulation is defined for the purposes of the Australian Vehicle Standards Rules, the word or expression has the same meaning in the regulation as it has in the Australian Vehicle Standards Rules. (2A) However, subregulation (2) does not apply in relation to a word or expression that is defined in this regulation or section 5(1) of the Act. (3) Unless the contrary intention appears, a reference in a regulation to a rule and a number is a reference to the rule of that number in the Australian Vehicle Standards Rules.

Part 2 Motor vehicles standards Division 1 Mass limits of vehicles Motor Vehicles (Standards) Regulations 2003 5 (4) In these Regulations: (a) the expression mass carried on a tyre or similar expression means the total mass transmitted to the road by the tyre, including the mass of the tyre; and (b) the expression mass carried on an axle or mass carried on an axle group or similar expression (whether by reference to a single axle, a tandem axle group, a triaxle group, a twin-steer axle group, or one axle of an axle group), means the total mass transmitted to the road by the wheels attached to the axle or the axle group, including the mass of any wheels, tyres and other attachments or fittings attached or fitted to the axle or axles. 4A Excluded provisions For section 5A(2)(h) of the Act, all provisions of these Regulations are excluded provisions. Part 2 Motor vehicles standards Division 1 Mass limits of vehicles 5 Mass limit for wheel The mass carried on a wheel is not to exceed the limit set by its manufacturer. 6 Mass limit for tyre The mass carried on a tyre is not to exceed the greatest load capacity determined for the tyre by its manufacturer at a cold inflation pressure that does not exceed: (a) 825 kilopascals for a radial ply tyre; or (b) 700 kilopascals for any other tyre. 7 Mass limit for axle or axle group The mass carried on an axle or an axle group is not to exceed: (a) the limit set by its manufacturer; or (b) the limit specified in Schedule 1 for the type of axle or axle group, whichever is the lesser.

Part 2 Motor vehicles standards Division 1 Mass limits of vehicles Motor Vehicles (Standards) Regulations 2003 6 8 Road friendly suspension If a vehicle or vehicle combination is fitted with a road friendly suspension, the limit of: (a) for a tandem axle group – 17 tonnes; and (b) for a triaxle group – 22.5 tonnes, is substituted for the limit specified in Schedule 1 for that axle group. 9 Ultra low floor 2 axle route bus If a bus is of a class known as an ultra low floor 2-axle route bus and is operating on an urban route, the limit of 11 tonnes is substituted for that specified in Schedule 1 in respect of a single axle fitted with dual wheels, provided that the GVM does not exceed 16 tonnes. 10 Bus with road friendly suspension If a bus is constructed to comply with third edition ADR 68, 59 and 44 and is fitted with road friendly suspension: (a) the limit of 6.5 tonnes for a steer axle may be substituted for the limit specified by Schedule 1; and (b) the limit specified in Schedule 1 for any other axle or axle group is increased by 1 tonne, provided that, if the bus is fitted with a tandem axle group, the bus is permitted under a law of a State or another Territory of the Commonwealth to carry the maximum mass that would be permitted under this regulation. 11 Retractable axle If an axle group includes a retractable axle, the retractable axle is to be ignored for the purposes of determining from Schedule 1 the mass limit that applies to the axle group unless the tyres of the retractable axle are on the ground and the load sharing suspension system is operating on each axle (including the retractable axle) and tyre in the group when: (a) if the axle group is a tandem axle group – the mass on the group exceeds 6 tonnes; and (b) if the axle group is a triaxle group – the mass on the group exceeds 11 tonnes.

Part 2 Motor vehicles standards Division 2 Limits to laden mass Motor Vehicles (Standards) Regulations 2003 7 Division 2 Limits to laden mass 12 Laden mass of vehicle or vehicle combination (1) The laden mass of a vehicle is not to exceed: (a) the sum of the masses permitted by Division 1 to be carried by the tyres or axles (or axle groups) of the vehicle; or (b) the GVM of the vehicle, whichever is the lesser. (2) The laden mass of an articulated vehicle or a vehicle combination is not to exceed: (a) the sum of the masses permitted by Division 1 to be carried by the tyres or axles (or axle groups) of the vehicle; or (b) the GCM of the vehicle or, if no GCM is certified by the manufacturer or the Registrar, the mass in kilograms determined by the use of the formula set out in Schedule 2, whichever is the lesser. 12A Concessional mass limits for certain vehicles (1) This regulation applies if: (a) an interstate owner or operator is accredited under a national heavy vehicle accreditation scheme; and (b) the owner or operator has implemented a quality system that ensures the suspension system of a vehicle owned or operated by that person is adequately maintained; and (c) the vehicle is permitted to operate using concessional mass limits in a State or another Territory. (2) The vehicle may, in the Territory, exceed the laden mass limits arrived at under regulation 12: (a) if the gross mass limit arrived at under regulation 12 does not exceed 55 tonnes – by one tonne; and (b) if the gross mass limit arrived at under regulation 12 exceeds 55 tonnes – by 2 tonnes.

Part 2 Motor vehicles standards Division 2 Limits to laden mass Motor Vehicles (Standards) Regulations 2003 8 (3) The additional mass permitted under this regulation to be carried may result in the mass limit for an axle group specified in Schedule 1 being exceeded as follows: (a) if a mass limit of 16.5 tonnes is specified in Schedule 1 – a limit of 17 tonnes is substituted; (b) if a mass limit of 20 tonnes is specified in Schedule 1 – a limit of 21 tonnes is substituted. (4) In this regulation: interstate owner or operator means a person who, under legislation of another jurisdiction that deals with registration of motor vehicles or trailers, is the equivalent of an owner or operator under the Act. 13 Laden mass of consecutive axle groups The laden mass carried by any combination of 2 or more consecutive axle groups in a vehicle or vehicle combination is not to exceed: (a) the mass in tonnes calculated in accordance with the formula (3L + 12.5) where "L" is the distance in metres of the overall axle spacing of those axle groups; or (b) if the vehicle combination is a B-double, the mass specified in Schedule 3. 14 Laden mass of trailer (1) If a vehicle combination (not being a road train) is comprised of a rigid motor vehicle towing a trailer, the laden mass of the trailer is not to exceed the laden mass of the rigid motor vehicle unless approved by the Registrar. (2) If a motor vehicle with a GVM not exceeding 4.5 tonnes is towing a trailer, the laden mass of the trailer is not to exceed: (a) the towing capacity of the motor vehicle; or (b) the towing capacity of the towing apparatus fitted to the vehicle, whichever is the lesser.

Part 2 Motor vehicles standards Division 3 Certain special vehicles Motor Vehicles (Standards) Regulations 2003 9 (3) In this regulation: towing capacity of the motor vehicle means: (a) the towing capacity of the motor vehicle, including any operational restrictions, specified by the manufacturer; or (b) if a towing capacity is not specified or is not able to be identified: (i) if the trailer is fitted with brakes, 1.5 times the unladen mass of the motor vehicle; and (ii) if the trailer is not fitted with brakes, the unladen mass of the motor vehicle. towing capacity of the towing apparatus means the towing capacity of the towing apparatus specified by its manufacturer. Division 3 Certain special vehicles 15 Vehicle fitted with non-rubber tyres or solid rubber tyres (1) If a vehicle has any wheel that is not fitted with either a pneumatic tyre or a solid rubber tyre of 30 mm or more in thickness, the vehicle is to comply with the following requirements: (a) the laden mass of the vehicle is not to exceed 3 tonnes; (b) the mass carried on an axle of the vehicle is not to exceed 1.4 tonnes; (c) the mass carried on a wheel that is not fitted with either a pneumatic tyre or a solid rubber tyre 30 mm or more in thickness is not to exceed the maximum mass specified in Schedule 4 for a wheel of that diameter and width of contact with the ground; (d) the vehicle is not to be driven at a speed exceeding 15 kilometres per hour. (2) For the purposes of Schedule 4, the mass per millimetre of width of a tyre (or wheel without a tyre) is determined by dividing the number of kilograms comprised in the wheel load on the wheel by the number of millimetres comprised in the width of tyre fitted to the wheel (or wheel, if no tyre is fitted) in contact with the ground when the vehicle is standing on level ground. (3) For the purposes of subregulation (1), a group of co-axial wheels on one side of the centre-line of a vehicle are taken to be one wheel.

Part 2 Motor vehicles standards Division 3 Certain special vehicles Motor Vehicles (Standards) Regulations 2003 10 16 Vehicle fitted with all or some rubber tyres (1) If a vehicle has solid rubber tyres 30 mm or more in thickness fitted to all wheels, or a mixture of such solid rubber tyres fitted to one or more wheels and pneumatic tyres fitted to all other wheels, the vehicle is to comply with the following requirements: (a) the laden mass of the vehicle is not to exceed 4 tonnes; (b) the mass carried on an axle of the vehicle is not to exceed 1.8 tonnes; (c) the mass carried on a wheel that is not fitted with a pneumatic tyre is not to exceed: (i) the maximum mass specified in Schedule 4 for a wheel of that diameter and width of contact of tyre with the ground; or (ii) the maximum mass specified in Schedule 5 for the thickness of the tyre (measured at its thinnest point), whichever is the lesser; (d) the vehicle is not to be driven at a speed exceeding 25 kilometres per hour. (2) For the purposes of Schedules 4 and 5, the mass per millimetre of width of a tyre is determined by dividing the number of kilograms comprised in the wheel load on the wheel by the number of millimetres comprised in the width of tyre fitted to the wheel in contact with the ground when the vehicle is standing on level ground. (3) For the purposes of subregulation (1), a group of co-axial wheels on one side of the centre-line of a vehicle are taken to be one wheel. 17 Tyres filled with water A tyre that would otherwise be a pneumatic tyre but that is filled or partly filled with water, whether with or without a chemical additive, is to be regarded for the purposes of this Division as a solid rubber tyre.

Part 2 Motor vehicles standards Division 5 Size and projection of load Motor Vehicles (Standards) Regulations 2003 11 Division 4 Axle group spacing for B-Double 18 Axle group spacing requirements for B-Double (1) The spacing between consecutive axle groups of a B-Double, other than a B-Double with 2 triaxle groups, is to comply with the following requirements: (a) the distance between the centres of 2 tandem axle groups is not to be less than 6 metres; (b) the distance between the centres of a tandem axle group and a triaxle group is not to be less than 7 metres. (2) The spacing between consecutive axle groups of a B-Double with 2 triaxle groups is to comply with the clear space rule. (3) In subregulation (2): clear space rule means that x-y < 1 and y-x < 1.3, where x is the distance in metres between the centres of the closest axles in the second and third axle groups and y is the distance in metres between the centres in the closest axles of the third and fourth axle groups. Division 5 Size and projection of load 19 Front and side projections A load on a vehicle is not to project more than 1.2 metres in front of the vehicle or more than 150 mm from the outermost part of either side of it. Maximum side projection of load allowed under regulation 19. Note: The combined dimensions of a vehicle and its load must still meet the requirements of the Australian Vehicle Standards Rules in Schedule 6 even if the load projects from the vehicle in any direction.

Part 2 Motor vehicles standards Division 5 Size and projection of load Motor Vehicles (Standards) Regulations 2003 12 20 Rear projections (1) The rear of a load on a vehicle is to carry a warning signal if the load: (a) projects more than 1.2 metres behind the vehicle; (b) projects to the rear of the vehicle so that the end of the load cannot be seen easily from behind; or (c) is on a pole-type trailer. (2) In daylight, the warning signal referred to in subregulation (1) is to be a brightly coloured flag or piece of material, with each side at least 300 mm long. (3) At night, the warning signal referred to in subregulation (1) is to be a red light that can be seen for 200 metres. 21 Dangerous projections A load on a vehicle is not to project in a way that is dangerous to a person or to property, even if all dimension and warning requirements are met. 22 Projection of load on motor cycle (1) The load or equipment of a motor cycle is not to project: (a) beyond the extreme outer edge of the motor cycle; (b) more than 150 mm to the front of the outer extremity of the front wheel of the motor cycle; and (c) more than 300 mm to the rear of the outer extremity of the rear wheel of the motor cycle. (2) The load or equipment of a motor cycle with a sidecar is not to project: (a) beyond the extreme outer edge of the motor cycle and sidecar; (b) more than 600 mm to the front of the outer extremity of the front wheel of the motor cycle; and (c) more than 900 mm to the rear of the outer extremity of the rear wheel of the motor cycle.

Part 2 Motor vehicles standards Division 6 Requirements for converter dollies Motor Vehicles (Standards) Regulations 2003 13 23 Size limits (1) Subject to regulation 33, a vehicle or a combination, and its load, is not to exceed a size limit set for the vehicle or combination in the Australian Vehicle Standards Rules. (2) The distance measured at right angles between the rear overhang line of a vehicle and the rear of any load it is carrying is not to exceed the rear overhang that the vehicle is allowed under the Australian Vehicle Standards Rules. Illustration of: • front projection limit; and • rear overhang limit from Australian Vehicle Standards Rules; and • maximum rear projection of load allowed without a warning signal. Division 6 Requirements for converter dollies 24 Converter dollies used in road trains A converter dolly is not to be used in a road train unless the converter dolly is so constructed that the torque reaction generated in the converter dolly from braking forces is: (a) transmitted through the converter dolly's fifth wheel assembly into the vehicle towing the converter dolly, in which case: (i) the drawbar of that converter dolly is to be attached to the chassis of the converter dolly through a flexible coupling that allows the drawbar to pivot vertically about a transverse horizontal axis; and (ii) if the converter dolly has other than a single axle group – the axle group is to have an approved non-reactive load sharing suspension system;

Part 2 Motor vehicles standards Division 7 Identification of road trains Motor Vehicles (Standards) Regulations 2003 14 (b) transmitted, through a tow coupling designed for the purpose, into the vehicle towing the converter dolly, in which case: (i) the drawbar and chassis of the converter dolly are to be an integral unit and the converter dolly's fifth wheel assembly is to be able to pivot about a horizontal axis; and (ii) if the converter dolly has other than a single axle group – the axle group is to have an approved single-pivot load- sharing suspension system; or (c) if the converter dolly has an approved suspension system fitted to the axle group – carried through that suspension system, in which case the drawbar of the converter dolly is to be attached to the chassis of the dolly converter through a flexible coupling that allows the drawbar to pivot vertically about a transverse horizontal axis. Division 7 Identification of road trains 25 Identification of hauling unit of road train (1) A hauling unit used in a road train is to have displayed on it the following particulars: (a) the gross vehicle mass of the hauling unit; (b) the gross combination mass of the hauling unit. (2) The particulars may be displayed by means of an identification device, registration certificate, inspection label or a document approved by the Registrar. (3) A hauling unit used in a road train is to have an inspection label (or other document approved by the Registrar for the purposes of this regulation) that is in force. 26 Identification of trailers used in road train (1) A trailer used in a road train is to have displayed on it the following particulars: (a) the name or trademark of the manufacturer of the trailer; (b) a distinguishing serial number of the trailer. (2) The particulars may be displayed by means of an identification device, registration certificate, inspection label or a document approved by the Registrar.

Part 3 Australian Vehicle Standards Rules Division 2 Exemptions from certain rules Motor Vehicles (Standards) Regulations 2003 15 (3) A trailer used in a road train is to have an inspection label (or other document approved by the Registrar for the purposes of this regulation) that is in force. Part 3 Australian Vehicle Standards Rules Division 1 Australian Vehicle Standards Rules 27 Australian Vehicle Standards Rules are law of the Territory (1) The Australian Vehicle Standards Rules contained in Schedule 6 are made as regulations under the Act and are a law of the Territory. (2) A reference in an Act or instrument of a legislative or administrative character to the Australian Vehicle Standards Rules is a reference to the Australian Vehicle Standards Rules contained in Schedule 6. Division 2 Exemptions from certain rules 28 Exemption from right-hand drive requirement (1) The requirement under rule 27(1) that a motor vehicle must have a right-hand drive does not apply to the following types of motor vehicles: (a) a personally imported vehicle as defined in rule 23(1); (b) a vehicle imported under an approval to import given under regulation 9F or 17 of the Motor Vehicle Standards Regulations 1989 (Cth) before their repeal; (c) a vehicle imported under an approval to import given under regulation 11 of the Motor Vehicle Standards Regulations 1989 (Cth) before its repeal, on the basis that the vehicle satisfied the eligibility criterion set out in section 36 of the RVS Rules; (d) a vehicle imported under an approval to import given under section 19 of the Motor Vehicle Standards Act 1989 (Cth) and supplied to market under section 14A or 16(2) of that Act, on the basis that the vehicle satisfied the rarity criterion set out in section 135 of the RVS Rules;

Part 3 Australian Vehicle Standards Rules Division 2 Exemptions from certain rules Motor Vehicles (Standards) Regulations 2003 16 (e) a vehicle that is entered on the RAV because it satisfied the requirements of the concessional RAV entry approval pathway mentioned in section 15(2)(b) of the Road Vehicle Standards Act 2018 (Cth) by satisfying: (i) the eligibility criterion set out in section 36 of the RVS Rules; or (ii) the eligibility criterion set out in section 37 of the RVS Rules because it is covered by an entry on the SEVs register on the basis that it satisfied the rarity criterion set out in section 135 of the RVS Rules. (2) In this regulation: RVS Rules means the Road Vehicle Standards Rules 2019 (Cth). 29 Exemption from spray suppression requirement for B-double The requirement under rule 33(1)(b) that certain spray suppression devices be fitted for each axle group and single axle on a vehicle that is a B-Double does not apply in the Territory. 30 Exemption from pneumatic tyre requirement for certain vehicles The requirement under rule 47 that a vehicle built after 1932 must be fitted with pneumatic tyres does not apply to a vehicle that complies with Part 2, Division 3. 31 Exemption from ABS brakes for road trains (1) The requirement under rule 136(1) that a prime mover used in a B-Double must be fitted with an anti-lock braking system does not apply in the Territory if the prime mover is identified as a road train hauling unit in accordance with regulation 25. (2) The requirement under rule 138(3) that a trailer used in a B-Double must, in certain circumstances, be fitted with an anti-lock braking system does not apply in the Territory if the trailer is identified as a road train trailer in accordance with regulation 26. 32 Exemption from speed-limiting requirement for road train The speed limiting requirement under rule 155(3) does not apply to a motor vehicle used as a hauling unit in a road train providing that: (a) the hauling unit of the road train has been certified to third edition ADR 65; and

Part 3 Australian Vehicle Standards Rules Division 3 Additional requirements in relation to certain rules Motor Vehicles (Standards) Regulations 2003 17 (b) the hauling unit of the road train is fitted with an electronically programmable speed limiter; and (c) the speed limiter is set to limit the road speed of the hauling unit to not more than 100 kilometres per hour. 33 Exemption in relation to vehicle carriers Despite regulation 23: (a) the height of a vehicle that is carrying vehicles on more than one deck, and its load, is not to exceed 4.6 metres; and (b) the distance measured at right angles between the rear overhang line of a trailer carrying vehicles on more than one deck and the rear of the rearmost vehicle on the trailer is not to exceed 4.9 metres. Maximum allowable dimensions of a loaded car carrier Division 3 Additional requirements in relation to certain rules 34 Rear marking plates (1) Rear marking plates required by rule 119 are to: (a) comply with the requirements of AS 4001.1 – 1992 "Motor Vehicle – Rear Marker Plates" arranged according to AS 4001.2 – 1992 "Motor Vehicle – Rear Marker Plates – Installation and Arrangement Requirements"; or (b) be mounted at the rear of the vehicle and arranged as follows and as depicted in the diagram: (i) arrangement A – 2 Category 1 plates; (ii) arrangement B – a single Category 2 plate;

Part 3 Australian Vehicle Standards Rules Division 3 Additional requirements in relation to certain rules Motor Vehicles (Standards) Regulations 2003 18 (iii) arrangement C – one Category 2a plate and one Category 2b plate, arranged horizontally; (iv) arrangement D – one Category 2a plate and one Category 2b plate, arranged vertically. (2) Arrangement A is the preferred arrangement, but where that arrangement is not possible, an alternative arrangement listed in subsection (1)(b) may be utilised. (3) The plates are to be orientated rearwards and mounted: (a) at the same height and with the lower edge not less than 400 mm and not more than 1 500mm from the ground; (b) so that the outer edge of a plate: (i) does not protrude beyond the nearest outer face of the vehicle; and (ii) is within 150 mm (if practicable, but in any case within 500 mm) of the nearest outer face of the vehicle. (c) so that the lower edge of a plate is horizontal to the ground; (d) as near as practicable to and in any case within 20 degrees (horizontally and vertically) of being in a vertical plane representing the back of the vehicle; and (e) so that the plates are visible from a position within 30 degrees either side, and within 15 degrees up and down, of square from the face of a plate. Category 1 Category 2 Category 2a Arrangement A Arrangement C Arrangement DArrangement B Category 2bCategory 2a Category 2b

Part 4 Offences Motor Vehicles (Standards) Regulations 2003 19 (4) The total plate area is to be not less than 0.32 square metres. (5) No lamps are to be placed inside the boundaries of a marker plate, but the warning sign "DO NOT OVERTAKE TURNING VEHICLE" may be printed in black lettering 50 mm high on the yellow portion of one of the Category 1 plates. (6) If the nature of the vehicle requires it: (a) the plates may be attached to fabricated supports that can be removed or swung aside for loading or unloading; (b) the plates may be attached to the underside of tip-up loading ramps so that they are visible when the ramp is in position for the vehicle to be driven; and (c) the plates may be cut so that a plate can be mounted across the edges of movable or opening panels (the sections can be moved apart by not more than 25 mm or a strip of material not wider than 10 mm per side may be removed adjacent to the cut to enable the panels to separate). (7) The Registrar may approve an installation that does not fully comply with this regulation. Part 4 Offences 35 Compliance with Regulations Subject to section 59 of the Act, a person must not drive, or cause or permit to be driven, on a road or in a public place a vehicle that does not comply with a requirement of these Regulations applicable to it. Maximum penalty: If the offender is an individual – 20 penalty units. If the offender is a corporation – 100 penalty units. 36 Regulatory offences An offence that relates to the contravention of, or failure to comply with, a requirement of these Regulations is a regulatory offence.

Part 5 Miscellaneous Motor Vehicles (Standards) Regulations 2003 20 37 Defence if excess loading within certain limits If a person is prosecuted for an offence against regulation 35 where the substance of the breach is that a load limit set out in Part 2, Division 1, 2 or 3 was exceeded, it is a defence if the person charged with the offence proves that the person made, or caused to be made, all reasonable efforts to comply with the relevant regulation and that: (a) the load the subject of the charge did not cause the manufacturer's recommendations, by specification or otherwise, of the safe working load for any component to be exceeded; (b) the load limit set out in the relevant regulation was not exceeded: (i) for a single steer axle – by more than .25 tonnes; (ii) for a single axle other than a single steer axle – by more than .5 tonnes; or (iii) for any other axle group – by more than one tonne; and (c) the GVM or GCM was not exceeded by more than 10%. Part 5 Miscellaneous 38 Certificate in relation to manufacturer's gross axle load limit etc. (1) For the purposes of a prosecution for an offence against these Regulations, the particulars stated in a certificate issued by the Registrar as to: (a) the manufacturer's gross axle load limit of an axle group; (b) the GCM of a vehicle combination; (c) the GVM of a vehicle; (d) the manufacturer's maximum rim load of a rim of a tyre; or (e) the manufacturer's maximum tyre load of a tyre, are taken to be that limit, mass or load, as the case may be, unless the contrary is proven.

Part 5 Miscellaneous Motor Vehicles (Standards) Regulations 2003 21 (2) The particulars included in a certificate under subregulation (1) may be derived from the records of the Registrar or from records kept by a registrar (however described) of vehicles in a State or another Territory of the Commonwealth. (3) No proof as to the signature of the Registrar is required in relation to a certificate under subregulation (1). 39 Repeal The following Regulations are repealed: (a) Motor Vehicles (Standards) Regulations (Regulations No. 74, 1982); (b) Amendments of Motor Vehicles (Standards) Regulations (Regulations No. 31, 1988). 40 Repealed Regulations continue to apply Despite regulation 39, the Motor Vehicles (Standards) Regulations 1982 as in force immediately before the commencement of these Regulations continue to apply in relation to an offence that was committed before the commencement of these Regulations.

Schedule 1 Motor Vehicles (Standards) Regulations 2003 22 Schedule 1 regulation 7 Description of axle or axle group Mass Limit (tonnes) Single axles and single axle groups Single steer axle on a motor vehicle 6.0 Single axle or single axle group fitted with single tyres with section width of: (a) less than 375 mm (b) at least 375 mm but less than 450 mm (c) at least 450 mm 6.0 6.7 7.0 Single axle or single axle group fitted with dual tyres on: (a) a pig trailer (b) a bus licensed to carry standing passengers (c) any other vehicle 8.5 10.0 9.0 Twinsteer axle groups Twinsteer axle group without a load-sharing suspension system 10.0 Twinsteer axle group with a load-sharing suspension system 11.0 Tandem axle groups Tandem axle group fitted with single tyres with section width of: (a) less than 375 mm (b) at least 375 mm but less than 450 mm (c) at least 450 mm 11.0 13.3 14.0 Tandem axle group fitted with single tyres on one axle and dual tyres on the other axle 13.0

Schedule 1 Motor Vehicles (Standards) Regulations 2003 23 Description of axle or axle group Mass Limit (tonnes) Tandem axle group fitted with dual tyres on: (a) a pig trailer (b) any other vehicle 15.0 16.5 Tri-axle groups Tri-axle group on a vehicle fitted with single tyres with section width of less than 375 mm on all axles, or single tyres on one or 2 axles and dual tyres on the other axle or axles 15.0 Tri-axle group on a pig trailer with either single tyres with section width of at least 375 mm, dual tyres on all axles, or a combination of those tyres 18.0 Tri-axle group, on a vehicle other than a pig trailer, with either single tyres with section width of at least 375 mm, dual tyres, or a combination of those tyres 20.0 Quad axle groups Quad-axle group fitted with single tyres with section width of less than 375 mm 15.0 Quad-axle group fitted with single tyres with section width of at least 375 mm or dual tyres 20.0 Other axle groups Any other axle group not specifically referred to in this Schedule 20.0

Schedule 2 Motor Vehicles (Standards) Regulations 2003 24 Schedule 2 regulation 12 Mass in kilograms = K x M x R x T 16 if: K = drive efficiency constant for the type of drive axle fitted to the vehicle, being: for a single drive axle – 0.055 for a single drive tandem axle group – 0.053 for a dual drive tandem axle group – 0.051; M = number of tyre revolutions per kilometre as specified by the tyre manufacturer for the tyres fitted to the driving axle or axles; R = overall gear reduction between engine and drive wheels; T = maximum engine net torque in Newton metres.

Schedule 3 Motor Vehicles (Standards) Regulations 2003 25 Schedule 3 regulation 13 Distance between extreme of axle groups under consideration (metres) Maximum permitted laden mass on axle groups (tonnes) Distance between extreme axles of axle groups under consideration (metres) Maximum permitted laden mass on axle groups (tonnes) Equal to or greater than Less than Equal to or greater than Less than 3.5 3.7 23.0 10.0 10.2 42.5 3.7 3.8 23.5 10.2 10.3 43.0 38. 4.0 24.0 10.3 10.5 43.5 4.0 4.2 24.5 10.5 10.7 44.0 4.2 4.3 25.0 10.7 10.8 44.5 4.3 4.5 25.5 10.8 11.0 45.0 4.5 4.7 26.0 11.0 11.2 45.5 4.7 4.8 26.5 11.2 11.3 46.0 4.8 5.0 27.0 11.3 11.7 46.5 5.0 5.2 27.5 11.7 12.0 47.0 5.2 5.3 28.0 12.0 12.3 47.5 5.3 5.5 28.5 12.3 12.7 48.0 5.5 5.7 29.0 12.7 13.0 48.5 5.7 5.8 29.5 13.0 13.3 49.0 5.8 6.0 30.0 13.3 13.7 49.5 6.0 6.2 30.5 13.7 14.0 50.0 6.2 6.3 31.0 14.0 14.3 50.5 6.3 6.5 31.5 14.3 14.7 51.0 6.5 6.7 32.0 14.7 15.0 51.5 6.7 6.8 32.5 15.0 15.3 52.0 6.8 7.0 33.0 15.3 15.7 52.5 7.0 7.2 33.5 15.7 16.0 53.0 7.2 7.3 34.0 16.0 16.3 53.5 7.3 7.5 34.5 16.3 16.7 54.0 7.5 7.7 35.0 16.7 17.0 54.5 7.7 7.8 35.5 17.0 17.3 55.0 7.8 8.0 36.0 17.3 17.7 55.5 8.0 8.2 36.5 17.7 18.0 56.0 8.2 8.3 37.0 18.0 18.3 56.5 8.3 8.5 37.5 18.3 18.7 57.0 8.5 8.7 38.0 18.7 19.0 57.5 8.7 8.8 38.5 19.0 19.3 58.0 8.8 9.0 39.0 19.3 19.7 58.5 9.0 9.2 39.5 19.7 20.0 59.0 9.2 9.3 40.0 20.0 20.3 59.5 9.3 9.5 40.5 20.3 20.7 60.0 9.5 9.7 41.0 20.7 21.0 60.5 9.7 9.8 41.5 21.0 – 62.5 9.8 10.0 42.0

Schedule 4 Motor Vehicles (Standards) Regulations 2003 26 Schedule 4 regulations 15 and 16 Diameter of wheel in metres Maximum mass in kilograms for each 25 millimetres width of tyre in contact with the ground For other than pneumatic tyres and solid rubber tyres 30 mm thick For solid rubber tyres not less than 30 mm thick Less than 0.3 of a metre 136 227 Not less than 0.3 of a metre and less than 0.6 of a metre 181 272 Not less than 0.6 of a metre and less than 0.9 of a metre 227 318 Not less than 0.9 of a metre and less than 1.2 metres 272 363 Not less than 1.2 metres and less than 1.5 metres 318 363 1.5 metres or more 363 363

Schedule 5 Motor Vehicles (Standards) Regulations 2003 27 Schedule 5 regulation 16 Thickness of tyre in millimetres Maximum mass in kilograms per 25 millimetres width of tyre in contact with the ground Not less than 30 millimetres and less than 40 millimetres 272 Not less than 40 millimetres and less than 45 millimetres 295 Not less than 45 millimetres and less than 50 millimetres 318 Not less than 50 millimetres and less than 55 millimetres 340 55 millimetres or more 363

Schedule 6 Motor Vehicles (Standards) Regulations 2003 28 Schedule 6 regulation 27 AUSTRALIAN VEHICLE STANDARDS RULES FOR THE AVSR's – PLEASE SEE SEPARATE DOCUMENT REPM020R7AVSR(NT)

ENDNOTES Motor Vehicles (Standards) Regulations 2003 29 ENDNOTES 1 KEY Key to abbreviations amd = amended od = order app = appendix om = omitted bl = by-law pt = Part ch = Chapter r = regulation/rule cl = clause rem = remainder div = Division renum = renumbered exp = expires/expired rep = repealed f = forms s = section Gaz = Gazette sch = Schedule hdg = heading sdiv = Subdivision ins = inserted SL = Subordinate Legislation lt = long title sub = substituted nc = not commenced 2 LIST OF LEGISLATION Motor Vehicles (Standards) Regulations (SL No. 17, 2003) Notified 30 April 2003 Commenced 1 May 2003 (Gaz S7, 30 April 2003) Motor Vehicles (Standards) Amendment Regulations 2006 (SL No. 29, 2006) Notified 23 August 2006 Commenced 23 August 2006 Penalties Amendment (Miscellaneous) Act 2013 (Act No. 23, 2013) Assent date 12 July 2013 Commenced 28 August 2013 (Gaz G35, 28 August 2013, p 2) Statute Law Revision Act 2017 (Act No. 4, 2017) Assent date 10 March 2017 Commenced 12 April 2017 (Gaz G15, 12 April 2017, p 3) Transport Legislation Amendment Act 2020 (Act No. 23, 2020) Assent date 10 July 2020 Commenced 1 July 2021 (Gaz G23, 9 June 2021, p 1) Amending Legislation Statute Law Revision Act 2020 (Act No. 26, 2020) Assent date 19 November 2020 Commenced 20 November 2020 (s 2) Motor Vehicles Legislation Amendment Regulations 2022 (SL No. 24, 2022) Date made 20 December 2022 Commenced 1 February 2023

ENDNOTES Motor Vehicles (Standards) Regulations 2003 30 Transport Legislation Amendment Act 2025 (Act No. 23, 2025) Assent date 12 September 2025 Commenced pts 2, 4, 5 and 6: 21 January 2026 (Gaz S5, 19 January 2026); rem: 18 November 2025 (Gaz S69, 17 November 2025) 3 GENERAL AMENDMENTS General amendments of a formal nature (which are not referred to in the table of amendments to this reprint) are made by the Interpretation Legislation Amendment Act 2018 (Act No. 22, 2018) to: rr 1, 4, 23, 27 and 40 and sch 6. 4 LIST OF AMENDMENTS r 3 amd Act No. 23, 2020, s 44 r 4 amd Act No. 23, 2020, s 45 r 4A ins Act No. 23, 2020, s 46 r 10 amd Act No. 23, 2020, s 47 r 12A ins No. 29, 2006, r 3 amd Act No. 23, 2020, s 48 r 25 amd Act No. 23, 2020, s 49 r 26 amd Act No. 23, 2020, s 50 pt 3 hdg amd Act No. 4, 2017, s 34 r 28 sub Act No. 23, 2020, s 51 r 32 amd Act No. 23, 2020, s 52 r 35 amd Act No. 23, 2013, s 4 sch 6 r 3A ins Act No. 23, 2020, s 54 r 10 amd Act No. 23, 2020, s 55 r 13 amd Act No. 23, 2020, s 56 r 14 amd Act No. 23, 2020, s 57 r 15 – 18 rep Act No. 23, 2020, s 58 r 21 amd Act No. 23, 2020, s 59 r 22 amd Act No. 23, 2020, s 60 r 23 amd Act No. 23, 2020, s 61; Act No. 23, 2025, s 66 r 27 amd Act No. 23, 2020, s 62 r 34 amd Act No. 4, 2017, s 34 r 118 amd Act No. 4, 2017, s 34 pt 11 hdg sub No. 24, 2022, r 4 pt 11 div 1 hdg ins No. 24, 2022, r 4 r 154 sub No. 24, 2022, r 4 rr 154A – 154C ins No. 24, 2022, r 4 pt 11 div 2 hdg ins No. 24, 2022, r 4 rr 154D – 154L ins No. 24, 2022, r 4 dict amd Act No. 23, 2020, s 63

1 MOTOR VEHICLES (STANDARDS) REGULATIONS 2003

The Regulations rest on a small set of technical concepts that determine how the rules are applied and how compliance is evidenced.

Manufacturer limits as primary yardstick. The Regulations repeatedly make the manufacturer's specification the first reference for safe loads: the mass carried on a wheel must not exceed the rim manufacturer's limit (r 5); tyre loads must not exceed the tyre manufacturer’s greatest load capacity at specified cold inflation pressures (r 6); axle or axle group loads must not exceed the manufacturer’s limit or the Schedule 1 limit, whichever is the lesser (r 7). The Registrar’s certificate as to these particulars is treated as conclusive in prosecutions unless rebutted (r 38).
Mass accounting and measurement. The instrument defines what counts in load calculations: mass carried on a tyre or axle includes the tyre and any attachments (r 4(4)). Laden mass limits of vehicles and combinations are limited by the lesser of (a) the sum of the masses permitted by Division 1 for tyres/axles, or (b) the GVM or GCM (r 12(1)-(2)). Where no GCM is certified, Schedule 2 provides a formula using drive efficiency, tyre revolutions, gear ratio and net engine torque to derive mass in kilograms (r 12(2), Sch 2).
Axle group numerics. The Regulations distinguish single axles, twinsteer, tandem, triaxle, quad groups and other groups and assign numeric mass ceilings in Schedule 1. Special rules adjust those ceilings when vehicles have road friendly suspension (r 8), when axles are retractable (r 11), or when particular bus or pig‑trailer configurations apply (rr 9-10, Sch 1 entries). Regulation 13 imposes limits on the combined mass carried by consecutive axle groups using a formula (3L + 12.5 where L is overall axle spacing in metres) or, for B‑doubles, the specific table in Schedule 3.
Equipment‑linked relaxations. Certain equipment or certifications allow substituted limits: road friendly suspension permits higher tandem and triaxle loads (r 8), ADR compliance and road friendly suspension change steer axle limits for buses (r 10), and accredited interstate operators may apply concessional mass limits (r 12A). Conversely, non‑pneumatic or thin solid rubber tyres impose stricter mass and speed limits (rr 15-16, Schs 4-5).
Exemptions to Australian Vehicle Standards Rules. The AVSRs are law of the Territory by r 27 and Sch 6, but the Regulations list specific exemptions and additional local requirements. Notably, right‑hand drive AVSR requirement exceptions are enumerated (r 28), certain spray suppression, pneumatic tyre and ABS requirements are excused for specified vehicles (rr 29-31), and speed limiting requirements are modified for certified road train hauling units set to 100 km/h (r 32). The AVSR‑derived rule on rear marking plates is given additional installation metrics in r 34.
Identification and documentation. Road trains and other heavy vehicle combinations must carry specific identification particulars and inspection labels: hauling units must display GVM and GCM and hold an inspection label (r 25); road train trailers must display manufacturer name and serial number and have an inspection label (r 26). Inspection labels are defined (r 4).
Enforcement structures and defences. The Regulations create an offence to drive or permit a non‑complying vehicle on a road or public place (r 35). Most contraventions are regulatory offences (r 36). There is a statutory defence for marginal excesses where reasonable efforts to comply were made and certain thresholds are not exceeded (r 37). The Registrar's certificate is prima facie proof for certain technical particulars (r 38). Penalties are quantised in penalty units for individuals and corporations (r 35).
Registrar discretion and approvals. The Registrar, and in some cases an approved person, have decision rights: issuing inspection labels, approving road friendly suspension or other installations, and approving alternative rear marking installations (r 4, r 34(7), r 25-26).

Those concepts are the operational grammar of the Regulations: manufacturer data and schedules set bounds, specialised equipment or accreditation can expand bounds, the Registrar provides certification and discrete approvals, and enforcement is via regulatory offences with a specified defence and evidentiary presumptions.

These Regulations place duties, evidential burdens and compliance costs on a defined set of actors. The primary affected parties are:

Vehicle owners and operators. Owners and operators must ensure laden mass does not exceed the lesser of manufacturer limits or Schedule limits, that GVM and GCM constraints are respected (r 12(1)-(2)), that any load projections meet the projection and warning signal rules (rr 19-22), and that required identification (inspection labels) is current and visible on hauling units and trailers used in road trains (rr 25-26). The person who "drives, causes or permits to be driven" a non‑complying vehicle is liable for the offence in r 35.
Hauling/transport businesses. Operators of road trains, B‑Doubles and other heavy combinations face particular technical constraints: axle spacing requirements for B‑Doubles (r 18) and combined axle group mass limits (r 13, Sch 3), converter dolly construction and torque reaction routing (r 24), and identification and inspection label obligations (rr 25-26). Where they want to exploit relaxations (for example higher mass with road friendly suspension or concessional interstate operator mass increases), operators must satisfy equipment or accreditation conditions (r 8, r 12A).
Manufacturers and suppliers. Tyre and rim manufacturers' load specifications are directly incorporated into the legal tests (rr 5-7). Manufacturers of trailers must provide distinguishing serial numbers and name/trademark that must be displayed for road train trailers (r 26). Manufacturers of equipment intended to qualify vehicles for substituted limits (such as road friendly suspensions) will need to provide documentation and perhaps certification for Registrar recognition (r 8 definition).
The Registrar and approved persons. The Registrar decides multiple approval and evidentiary questions: issuing inspection labels (r 4 definition), certifying road friendly suspension or approving non‑standard rear marking installations (r 34(7)), and issuing certificates as to manufacturer limits and GVM/GCM that operate as prima facie proof in prosecutions (r 38).
Interstate accredited operators. The Regulations grant a targeted benefit to interstate owners/operators who are accredited under a national heavy vehicle accreditation scheme, maintain an internal quality system for suspension maintenance, and who are permitted to operate under concessional mass limits elsewhere (r 12A). Those operators can exceed certain laden mass limits by fixed marginal amounts.
Vehicle inspectors, enforcement officers and courts. Inspectors and enforcement officers will apply the schedules, measure loads and spacing and, where necessary, rely on Registrar certificates (r 38). Courts will handle regulatory offence prosecutions and apply the statutory defence mechanics (r 37) and the evidentiary presumption scheme (r 38).
Owners of specialised or older vehicles. Owners of vehicles not fitted with pneumatic tyres (or fitted with thin solid rubber tyres or tyres filled with water) are subject to tighter mass and speed limits and specific calculation rules (rr 15-17, Schs 4-5).

Who pays: compliance costs fall primarily on owners/operators and manufacturers required to supply or maintain equipment, obtain certifications and labels, and retrofit or fit identification plates. Administrative costs (issuing labels, making approvals, maintaining Registrar records) are borne by the Registrar’s office and ultimately by the public revenue that funds it; procedural burdens may include inspections, testing and documentation. Who decides: the Registrar determines approvals and issues certificates; manufacturers decide stated load limits which become legally significant; operators decide whether to run within standard limits, take concessional pathways or invest to meet equipment criteria that allow higher limits.

The Regulations establish explicit duties, conditional rights to exceed limits and procedural rights relating to evidence and approvals. Key duties and legal entitlements include:

Duty to observe manufacturer limits and Schedule limits. Operators must not exceed the mass limits set by wheel, tyre, rim and axle manufacturers, and must also respect the numeric axle/axle group limits in Schedule 1 where those are lower (rr 5-7). The laden mass of a vehicle or combination must not exceed the lesser of the sum of tyre/axle permitted masses or the vehicle’s certified GVM or GCM (r 12(1)-(2)).
Duty to ensure safe tyre inflation and loadings. Tyre load limits are assessed at specified cold inflation pressures (r 6), and the definition of mass carried includes the tyre itself (r 4(4)). For tyres filled with water, the Regulations treat them as solid rubber tyres for the purposes of Division 3 (r 17).
Duty on heavy‑vehicle configurations and dimensioning. Projections must stay within front, side and rear limits (rr 19-22). The vehicle and load must remain within AVSR size limits unless specific local exceptions apply (r 23). Vehicle carriers carrying cars on more than one deck have local height and rear overhang limits (r 33).
Duty to fit or carry identification. Hauling units for road trains must display GVM and GCM and hold an in‑force inspection label (r 25). Trailers used in road trains must display manufacturer name and serial number and have an inspection label (r 26). Inspection labels are defined as documents issued by the Registrar or an approved person specifying GVM, GCM or other approved particulars and affixed in the approved manner (r 4).
Duty to comply with construction and coupling rules for converter dollies. Converter dollies in road trains must transmit braking torque reactions in prescribed ways; alternative construction details are prescribed depending on the torque path chosen and the suspension system fitted (r 24).
Duty to install rear marker plates to standards. Where AVSR rule 119 requires rear marking plates, the Regulations specify acceptable standards and mounting arrangements (r 34) and allow Registrar approval for non‑compliant installations where necessary (r 34(7)).

Rights, exemptions and procedural protections:

Right to operate under substituted limits when conditions are met. Vehicles fitted with road friendly suspension may use substituted higher mass limits for tandem and triaxle groups (r 8). Ultra low floor 2‑axle route buses on urban routes can have a substituted single axle limit of 11 tonnes subject to overall GVM cap (r 9). Accredited interstate operators who meet quality system requirements and are permitted similar concessions interstate can carry additional mass under r 12A.
Exemptions to AVSR. The Regulations expressly remove or modify some national AVSR requirements within the Territory, including right‑hand drive rule exceptions for certain imported vehicles (r 28), exemptions to spray suppression requirements for B‑doubles (r 29), exemptions for non‑pneumatic tyre rules for vehicles complying with Division 3 (r 30), and exemptions to ABS and speed‑limiter rules for certain road train units where specified identification or certification conditions are met (rr 31-32).
Defence against marginal breaches. In prosecutions for excess loading, a defendant can rely on a statutory defence if they can show reasonable efforts to comply, that manufacturer's safe working loads were not exceeded, the overage is within modest per‑axle thresholds and the GVM/GCM was not exceeded by more than 10% (r 37). The thresholds are numerically precise (.25 tonnes for single steer axle, .5 tonnes for other single axles, and up to 1 tonne for axle groups) and a 10% upper bound on GVM/GCM excess is specified (r 37(b)-(c)).
Evidentiary right to Registrar certificates. The Registrar's certificate of manufacturer's gross axle load limit, GVM, GCM, rim or tyre load is taken as that value for prosecution purposes unless rebutted (r 38). Subregulations allow those certificates to be derived from Registrar records or other registrars’ records (r 38(2)) and remove the need to prove the signature of the Registrar (r 38(3)). This shifts evidentiary costs to the defendant in many technical prosecutions.
Right to Registrar approval for non‑standard installations. The Registrar may approve installations that do not fully comply with the rear marking plate installation requirements (r 34(7)) and may similarly approve other matters where regulations grant such discretion (see definitions of "road friendly suspension" and "inspection label" which contemplate Registrar or approved person certification, r 4).

Collectively, the duties are specific and numerically defined, while the rights and procedural protections are also numerically bounded or conditioned on certification, inspection labels or Registrar approvals. Compliance therefore requires attention to manufacturer data, inspection labelling, equipment standards, and where exemptions are sought, documentary evidence of certification or accreditation.

The Regulations create a clear enforcement architecture with quantified penalties, classification of contraventions and evidential presumptions. Key features:

Offence to drive or permit non‑compliant vehicles. Regulation 35 prohibits driving, causing or permitting a vehicle that does not comply with any applicable requirement of the Regulations on a road or in a public place, subject to s 59 of the Act (r 35). This is the primary operational offence.
Penalty values. The maximum penalties are specified in r 35: for an individual, the maximum is 20 penalty units; for a corporation, 100 penalty units. The Regulations do not state the monetary value of a penalty unit; that value will be determined by the relevant penalty unit instrument (for example Territory penalty unit legislation), so enforcement fines are expressed as units rather than cash amounts in the instrument.
Regulatory offence classification. Regulation 36 declares that an offence relating to contravention of a requirement of these Regulations is a regulatory offence. This classification can have procedural consequences such as different prosecution standards, enforcement pathways, infringement notice options or administrative handling, depending on broader Territory enforcement frameworks.
Statutory defence for limited excesses. Regulation 37 provides a statutory defence where the marginal nature of an excess loading is established together with reasonable efforts to comply and an assurance that manufacturer's safe working loads were not exceeded. The defence is numerically bounded (r 37(b)-(c)) and requires proof by the defendant of both reasonable efforts and the numeric conditions. This provides a narrow margin of error protection for operators but requires documentary or other evidence of maintenance, attempts to comply and load measurements.
Registrar certificates as evidentiary tools. Regulation 38 allows a certificate of the Registrar listing manufacturer gross axle limits, GCM, GVM, rim load or tyre load to be taken in prosecutions as the stated limit unless the contrary is proven. The certificate can be derived from Registrar records or records of other registrars (r 38(2)) and does not require proof of signature (r 38(3)). This shifts the burden of proof to defendants on technical parameters and streamlines prosecution of technical contraventions.
Enforcement mechanisms implied by the rules. The Regulations require visible identification and inspection labels for road train hauling units and trailers (rr 25-26) which enables enforcement officers to check compliance at the roadside. The prescriptive measurements (axle spacing, projection dimensions, described in rr 18-23 and Schs 1-3) permit quantitative roadside assessments. Specific equipment requirements (fittings, ABS, speed limiter exemptions) create checkpoints for mechanical and electronic inspections.
Registrar discretion and approvals. The Registrar’s capacity to approve non‑standard rear marker installations (r 34(7)) or to certify road friendly suspension (r 8 definition) introduces administrative enforcement discretion and potential case‑by‑case compliance pathways. Officers may accept Registrar approvals and certificates as evidence of compliance.
Transitional enforcement. Regulations 39 and 40 repeal earlier Regulations but preserve the continued application of prior Regulations for offences committed before commencement (r 40). This avoids retroactive enforcement but preserves past prosecutorial rights.

Collectively, the enforcement regime is formal, technical and evidence‑oriented. It combines quantified monetary penalties, classification as regulatory offences, a limited statutory defence for marginal exceedances, and an evidentiary rule that Registrar certificates are prima facie proof of key technical particulars. This makes enforcement practical for technical contraventions while placing an onus on operators to maintain records, labels and compliance documentation.

The Regulations are deeply cross‑referential to federal instruments, the Motor Vehicles Act 1949 (the Act) and to interstate regimes. The principal interactions recorded in the text are:

Motor Vehicles Act 1949. The Regulations are made under the Act (see front matter) and several provisions explicitly reference the Act. For example, r 3 excludes nonconforming vehicles within Part 5A of the Act. Regulation 4A excludes these Regulations from s 5A(2)(h) of the Act (r 4A). Section 59 of the Act is noted as a subject to provision in r 35 for the driving offence. Thus the Regulations function as subordinate legislation operating within the Act’s regulatory structure.
Australian Vehicle Standards Rules (AVSR). The AVSRs are adopted as Territory law by r 27 and contained in Schedule 6. The text notes that the AVSRs are set out in a separate document (Sch 6). The Regulations both import the AVSRs and create targeted exceptions or additions: e.g. exemptions to right‑hand drive (r 28), spray suppression (r 29), mandatory pneumatic tyre fitting (r 30), ABS requirements for road trains (r 31) and speed limiting (r 32). Additional requirements or clarifications for AVSR obligations are supplied, such as the rear marking plate technical details in r 34.
Commonwealth motor vehicle import and standards instruments. Regulation 28 refers to the Road Vehicle Standards Rules 2019 (Cth) (RVS Rules) and to the earlier Motor Vehicle Standards Regulations 1989 (Cth). The exemptions in r 28 operate by reference to Commonwealth RVS pathway approvals, RAV registrations and historical approvals to import under repealed Commonwealth instruments. This creates a cross‑jurisdictional compliance dependency: certain Territory exemptions rely on Commonwealth determinations or prior Commonwealth approvals.
National heavy vehicle accreditation schemes. Regulation 12A grants concessional mass allowances to interstate owners/operators who are accredited under a national heavy vehicle accreditation scheme and who have implemented a quality system for suspension maintenance. That relies on interstate/national accreditation frameworks and recognises compliance regimes outside the Territory. The concession is conditional on the operator’s interstate status and the existence of equivalent permissions elsewhere.
Standards and Australian Standards. The rear marking plate requirement in r 34 references AS 4001.1-1992 and AS 4001.2-1992. That brings statutory force to an Australian Standard by prescription in the Regulations; it also allows alternative specified arrangements where attachment to the standard is impracticable and subject to Registrar approval (r 34(7)).
Evidence and registrars in other jurisdictions. Regulation 38(2) permits Registrar certificates to be derived from records of registrars of vehicles in other States or Territories, which embeds inter‑jurisdictional record‑sharing as an evidentiary source for Territory prosecutions.
Transitional and repealed instruments. Regulations 39-40 repeal the 1982 Regulations, but r 40 preserves the application of the repealed Regulations to offences committed prior to commencement. The endnotes outline successive amendments made by Territory Acts and subordinate instruments (listed in the Endnotes). Practitioners must therefore consider historical instruments for past conduct and current Regulations for present conduct.

Practical consequences of these interactions: operators relying on concessions must ensure that the qualifying Commonwealth approvals or interstate accreditations exist and can be evidenced; enforcement may invoke Registrar records from other jurisdictions; AVSR requirements (including those altered by Territory exemptions) remain binding through Sch 6; and Australian Standards embedded by reference carry technical installation and manufacturing requirements.

The Regulations, originally made in 2003 (SL No. 17, 2003), have an amendment history recorded in the instrument’s endnotes and list of legislation. The key items recorded in the provided source are:

Original instrument: Motor Vehicles (Standards) Regulations (SL No. 17, 2003), notified 30 April 2003 and commenced 1 May 2003 (Gaz S7, 30 April 2003).
Motor Vehicles (Standards) Amendment Regulations 2006 (SL No. 29, 2006), notified 23 August 2006 and commenced 23 August 2006, which inserted r 12A (concessional mass limits for certain interstate operators) and made other changes (Endnotes list r 12A ins No. 29, 2006, r 3).
Penalties Amendment (Miscellaneous) Act 2013 (Act No. 23, 2013), which amended r 35 to update penalty provisions (noted in Endnotes: r 35 amd Act No. 23, 2013, s 4).
Statute Law Revision Act 2017 (Act No. 4, 2017), which made formal amendments (noted in Endnotes: pt 3 hdg amd Act No. 4, 2017, s 34; r 34 amd Act No. 4, 2017, s 34; r 118 amd Act No. 4, 2017, s 34). The general amendments paragraph 3 in the Endnotes records formal amendments to several regulations and schedule 6 by the Interpretation Legislation Amendment Act 2018.
Transport Legislation Amendment Act 2020 (Act No. 23, 2020), assent 10 July 2020 and commenced 1 July 2021 for certain provisions, which made numerous amendments across the Regulations (Endnotes list multiple r amendments by Act No. 23, 2020, including r 3, r 4, r 4A ins, r 10 amd, r 12A amd, r 25 amd, r 26 amd, r 28 sub, r 32 amd, changes to definitions and other cross‑references).
Motor Vehicles Legislation Amendment Regulations 2022 (SL No. 24, 2022), made 20 December 2022 and commenced 1 February 2023, which added parts and divisions (Endnotes indicate pt 11 hdg sub No. 24, 2022, r 4 and insertion of multiple rr).
Transport Legislation Amendment Act 2025 (Act No. 23, 2025), assent 12 September 2025, with parts commencing: parts 2, 4, 5 and 6 on 21 January 2026 and remainder 18 November 2025 (Endnotes note commencement details). The front matter of the reprint dates the instrument "As in force at 21 January 2026", so the current text followed that 2025 amendment.
Statute Law Revision Act 2020 (Act No. 26, 2020) appears in the amending legislation list with commencement 20 November 2020 (s 2).

The Endnotes include a consolidated List of Amendments table specifying which regulations were amended, substituted, inserted or repealed and by which amending instrument and section. Many amendments are by the 2020 Act; specific amendments listed include insertion of r 4A (excluded provisions), changes to r 10, 12A, 25 and 26, and adjustments to references to national rules.

Regulations 15-18 were repealed by the 2020 Act (Endnotes: r 15-18 rep Act No. 23, 2020, s 58), so the current text reflects their removal. Sch 6 (AVSR) has been updated by the 2017 Act family (r 34 amd Act No. 4, 2017, s 34 and sch 6 references).

Practitioners should consult the Endnotes’ List of Legislation and List of Amendments when assessing historic compliance or past conduct because the applying text for conduct will depend on the regulation version operative at the time of the conduct. The Regulations themselves preserve that transitional logic for offences committed before commencement of the 2003 Regulations by continuing to apply the 1982 Regulations for earlier offences (r 40).

The Regulations as provided contain no cited court decisions, judicial interpretations or references to litigation. The text and Endnotes do not name any cases. The instrument’s evidentiary and enforcement provisions (r 38 certificate presumption; r 37 statutory defence; classification as regulatory offences at r 36) are drafted to facilitate prosecution and adjudication of technical matters, but any judicial engagement or jurisprudence arising from those provisions is not recorded in the document.

Practical implications for litigators and compliance counsel:

Expect technical disputes. Given the centrality of manufacturer specifications, measurement rules and Registrar certificates (rr 5-7, r 12, r 38), disputes brought before courts or tribunals are likely to be technical: contested measurement of axle loads, accuracy of GVM/GCM, validity of Registrar certificates and whether the statutory defence thresholds (r 37) are met. The Regulations provide specific numeric thresholds that will frame factual contests.
Evidentiary starting point is Registrar certificate. In prosecutions the Registrar’s certificate is adopted as proof of the listed particulars unless the contrary is shown (r 38). Defence strategy will typically require technical evidence to displace these certificates (calibration records, load cell data, manufacturer documents, maintenance records and evidence of reasonable efforts to comply).
Statutory defence is fact‑intensive. r 37 requires the defendant to prove reasonable efforts to comply and that manufacturers’ safe working loads were not exceeded. Challenges will focus on the sufficiency of maintenance regimes, weight calculations, and whether the numeric overage limits were breached.
Interjurisdictional records may be evidence. r 38(2) permits drawing upon records from other registrars, so litigators should plan for cross‑jurisdictional evidence gathering and potential authentication issues.
Administrative decisions by the Registrar will be relevant. Judicial review or appeal of Registrar approvals, refusals or decisions (for example on inspection label issuance or approvals under r 34) may arise, but no example is recorded in the instrument.

Because no litigation history is included in the text, practitioners must search court databases, tribunal records and agency files for any judicial consideration of these Regulations or of the AVSRs as applied in the Territory to find precedent on interpretive points such as measurement methodology, the meaning of "reasonable efforts" in r 37, or the scope of the Registrar's discretion.

The Regulations are technical and several practical pitfalls exist for operators, manufacturers and enforcement agencies. The following specific items are concrete "gotchas" identifiable from the instrument:

Manufacturer limits trump operator expectations. The Regulations make the manufacturer's load limits the primary legal test for wheels, rims, tyres and axle groups (rr 5-7). This means bespoke vehicle modifications or aftermarket fittings that increase effective carrying capacity are not lawful unless the manufacturer’s specifications are updated or the Registrar issues an approval. Relying on vehicle appearance or prior state practice without manufacturer specifications is risky.
Registrar certificates are presumptive. Under r 38 a Registrar certificate as to manufacturer limits, GVM or GCM is taken to be the stated figure unless the contrary is proven. Defendants in technical prosecutions face an evidentiary uphill task unless they can introduce contemporaneous manufacturer documents, test results or calibration evidence.
Small tolerances have legal significance. The statutory defence in r 37 is numerically precise and limited: single steer axles may be over by up to .25 tonnes, other single axles .5 tonnes, axle groups up to 1 tonne, and total GVM/GCM by up to 10%. Exceeding these numerical bands voids the statutory defence and exposes the operator to prosecution without that statutory shield.
Road friendly suspension conditionality is exacting. The definition of road friendly suspension in r 4 includes specific frequency and damping conditions, dual tyre fitting rules and static load share limits. Operators cannot rely on generic suspension claims; either Registrar approval or manufacturer certification that addresses the listed parameters is necessary to apply the substituted mass limits in r 8.
Retractable axles are ignored unless in use and sharing load. Regulation 11 requires that a retractable axle be ignored for Schedule 1 mass limit determination unless its tyres are on the ground and the load sharing suspension system is operating and certain group mass thresholds are exceeded. Mis‑counting retractable axles can cause misapplication of Schedule 1 limits.
Exemptions to AVSR are specific, not blanket. The right‑hand drive exemptions in r 28 apply only to enumerated categories of vehicles (personally imported vehicles per AVSR rule 23(1), vehicles with specific Commonwealth import approvals etc.). Operators should not assume a broad exemption for imported vehicles without checking the detailed criteria in r 28 and the referenced Commonwealth instruments.
Speed‑limiter and ABS exemptions hinge on identification and certification. r 31-32 exempt ABS and speed‑limiter requirements for certain road train units only where identification and ADR/other certification are in place (r 31(1)-(2); r 32). Failure to maintain inspection labels or certification can negate those exemptions.
AVSR text available separately. Schedule 6 declares the AVSRs to be law but the AVSR text is a separate document (Sch 6 note). Enforcement and compliance require consulting that separate AVSR document to understand the incorporated rules in full.
Intersection of State/Territory and Commonwealth approvals. Regulation 28 cross‑references Commonwealth RVS Rules and historical Commonwealth import approvals, so a vehicle’s legal position in the Territory may depend on Commonwealth import pathways or registrations (RAV/SEVs). This creates an interjurisdictional compliance dependency that operators must evidence.
Speed limits for special tyre types and vehicle speeds are low. Vehicles fitted with non‑pneumatic tyres or thin solid rubber tyres are strictly limited to 15-25 km/h and to low laden masses (rr 15-16). Operating these vehicles at higher speeds is a straightforward breach with no apparent mitigation.
Converter dolly torque path rules are prescriptive. r 24 gives three mutually exclusive methods of transmitting braking torque reaction and mandates different construction features for each. Incorrect converter dolly construction or misapplication of coupling types will create non‑compliance that is not remedied by simple labelling.
Identification and inspection label upkeep. Road train compliance depends on in‑force inspection labels or Registrar‑approved documents (rr 25-26). Lapses in labels or incorrect labelling will remove exemptions and can trigger both technical and documentary offences.
Measurement methods not fully specified for some practices. While many dimensions and loads are numerically specified, the Regulations do not always prescribe exact measurement protocols for roadside checks (for example how to measure overall axle spacing under coupled vs uncoupled conditions beyond the given definitions in r 4). This leaves scope for operational disputes about measurement technique.

These concrete points require operators and compliance officers to pay attention to manufacturer paperwork, Registrar approvals, intact inspection labels, strict adherence to numeric limits and awareness of the interplay with Commonwealth import and accreditation schemes.

Compliance requires combining technical verification, documentation, periodic inspection and, where advantageous, certification or accreditation. The following steps, grounded in the Regulations, translate legal obligations into actionable tasks:

Establish and maintain accurate manufacturer documentation. Because manufacturer specifications determine limits for wheels, rims, tyres and axle groups (rr 5-7), retain manufacturers’ load ratings, rim load specifications and tyre load tables. Keep the documents with the vehicle or available electronically for roadside inspection and for use in prosecutions (r 38 anticipates Registrar certificates but defendants must be able to rebut them if necessary).
Verify GVM and GCM and obtain inspection labels. Ensure every vehicle and hauling unit used in combinations has an inspection label issued by the Registrar or an approved person as defined in r 4. For road trains, ensure hauling units display GVM and GCM and have an in‑force inspection label (r 25). Trailers used in road trains must display the manufacturer name and serial number and hold an inspection label (r 26).
Apply Schedule 1 and Schedule 3 checks. For each vehicle and trailer, map its axle configuration against Schedule 1 to determine per‑axle/axle‑group limits. For B‑Doubles and consecutive axle group checks, use Schedule 3 and r 13 to validate combined axle group loads. Maintain load allocation plans and weighbridge records demonstrating compliance with both individual axle limits and consecutive group limits.
Use Schedule 2 where no GCM exists. If a vehicle combination lacks a certified GCM, calculate allowable gross mass using the Schedule 2 formula (K × M × R × T) and keep all inputs (tyre manufacturer’s revs/km, gear reductions, engine torque specs) on file (r 12(2), Sch 2).
If seeking substituted limits, obtain certification. To apply higher axle load limits for road friendly suspension (r 8) or the ultra low floor bus rule (r 9) you need either Registrar approval or manufacturer/third‑party certification that the equipment meets the precise parameters set out in the definition of road friendly suspension at r 4. Document damping, frequency and static load share figures, and ensure dual tyre fitment where required.
If operating interstate concessional allowances, keep accreditation and maintenance evidence. To claim the r 12A concession, an interstate owner/operator must be accredited under a national heavy vehicle accreditation scheme, implement and record a suspension maintenance quality system and show that the vehicle is permitted to operate under concessional mass limits in another jurisdiction. Keep accreditation certificates, maintenance system documentation and cross‑jurisdictional permits.
Maintain trailer and converter dolly construction compliance. For converter dollies used in road trains comply with the torque reaction routing constructions and suspension requirements in r 24. Keep engineering certification, coupling test records and, where torque reaction is transmitted via the dolly’s fifth wheel or tow coupling, evidence that pivoting and flexible coupling specifications are met.
Fit and instal rear marker plates and other equipment per r 34. Fit rear marker plates in accordance with AS 4001.1-1992 and AS 4001.2-1992 or the alternative arrangements depicted in r 34(1)(b), and observe the mounting heights, orientation and visibility angles (r 34(3)-(6)). Where compliance is impractical, seek Registrar approval under r 34(7).
Keep weights, weighbridge tickets and maintenance logs. Given the evidentiary presumptions in r 38 and the r 37 statutory defence, maintain contemporaneous weighbridge records, load distribution calculations, maintenance logs for suspension systems, tyre inflation records, and driver logs that demonstrate "reasonable efforts to comply" in the event of a prosecution.
Ensure speed‑limiter, ABS and identification requirements are met or documented for exemptions. If relying on the r 31-32 exemptions for ABS or speed limiting, hold ADR certification, ensure the hauling unit is fitted with an electronically programmable speed limiter set to ≤100 km/h and retain records demonstrating compliance. Maintain identification and inspection labels for the exemptions to apply.
Monitor changes to AVSR and Commonwealth approvals. Because r 27 imports AVSR as law (Sch 6) and r 28 cross‑references Commonwealth import pathways and RVS Rules, ensure legal teams track changes to AVSRs and relevant Commonwealth rules to avoid relying on inapplicable exemptions. Maintain copies of RAV/SEV registrations or historical Commonwealth approval documents where right‑hand drive exemptions (r 28) are claimed.
Audit and train. Implement routine audits to check axle spacing (r 18), load distribution, tyre pressures for cold inflation (r 6), and the structural conditions required for retractable axles (r 11). Train drivers and operators on projection rules (rr 19-22), warning signals for rear projections (r 20), and the low speed restrictions for vehicles with non‑standard tyres (rr 15-16).
Prepare for inspection and prosecution. Given the regulatory offence classification (r 36), ensure that compliance documentation is readily producible to enforcement officers. In the event of enforcement action, be ready to produce weighbridge records, maintenance records, manufacturer specifications and any Registrar certificates that underpin claimed exemptions.
Seek Registrar approvals proactively where necessary. Where the vehicle’s configuration cannot meet strict installation rules (for rear marker plates, r 34), or where special construction is proposed, apply to the Registrar early for written approval to avoid subsequent non‑compliance.

Following these steps, grounded in the specific provisions of the Regulations, reduces enforcement risk and positions operators to avail themselves of limited statutory defences and conditioned exemptions when incidents occur.

MOTOR VEHICLES (STANDARDS) REGULATIONS 2003

Plain English Summary

Deep Dive

What it does

Current sections

MOTOR VEHICLES (STANDARDS) REGULATIONS 2003

Source text: opening excerpt

1 MOTOR VEHICLES (STANDARDS) REGULATIONS 2003

Main concepts

Who it affects

Key duties and rights

Penalties and enforcement

How it interacts with other laws

Amendment history

Litigation history

Gotchas

How to comply