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Certificate of inspection vehicle types and requirements

The following is a list of certificate of inspection (COI) vehicle types, with information on how long their COI is valid for, and who inspects vehicles for COI renewals. You will need to know the purpose of use and the Gross Vehicle Mass (GVM) or Aggregate Trailer Mass (ATM) to work out the COI requirements for your vehicle. For buses, you will also need to know the registered seating capacity. You can check the purpose of use for the vehicle on the check registration status page.

Buses

Purpose of use GVM Seating capacity Frequency of renewal Who inspects vehicle
Private Over 4,500kg Any 12 months Transport and Main Roads
Public passenger vehicle, other than taxi, limousine, or booked hire service Any 10 or more 6 months Transport and Main Roads
Not for profit Up to and including 4,500kg 10-12 12 months Transport and Main Roads
Emergency services Up to and including 4,500kg 10-12 12 months Transport and Main Roads
Not for profit Up to and including 4,500kg Over 12 6 months Transport and Main Roads
Not for profit Over 4,500kg 10 or more 6 months Transport and Main Roads
Commercial Over 4,500kg 10-12 12 months Transport and Main Roads
Self-drive rental Over 4,500kg 10-12 12 months Transport and Main Roads
Farm Over 4,500kg 10-12 12 months Transport and Main Roads
Emergency services Over 4,500kg 10-12 12 months Transport and Main Roads
Commercial Over 4,500kg Over 12 6 months Transport and Main Roads
Self-drive rental Over 4,500kg Over 12 6 months Transport and Main Roads
Farm Over 4,500kg Over 12 6 months Transport and Main Roads
Emergency services Over 4,500kg Over 12 6 months Transport and Main Roads

Mobile home or motorhomes

Note: The manufacturers rated GVM on the compliance plate may be higher than the registered GVM. The registered GVM is used for assessing inspection categories for motorhomes and campervans (other than prime movers), which will be less than 16,000kg for a rigid vehicle with a single rear axle.

Purpose of use GVM/ATM Frequency of renewal Who inspects vehicle
Motorhomes Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Campervans Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads

Passenger vehicles, including motorbikes

Purpose of use Frequency of renewal Who inspects vehicle
Public passenger vehicle, other than taxi, limousine, or booked hire service 6 months Transport and Main Roads
School services 6 months Transport and Main Roads

Personalised transport services

Purpose of use GVM Frequency of renewal Who inspects vehicle
Taxi Up to and including 4,500kg 12 months Approved inspection stations or Transport and Main Roads
Booked hire Up to and including 4,500kg 12 months Approved inspection stations or Transport and Main Roads
Booked hire-rental Up to and including 4,500kg 12 months Approved inspection stations or Transport and Main Roads
Limousine Up to and including 4,500kg 12 months Approved inspection stations or Transport and Main Roads
Special purpose limousine Up to and including 4,500kg 12 months Approved inspection stations or Transport and Main Roads

Prime movers

Purpose of use GVM/ATM Frequency of renewal Who inspects vehicle
Private Any 12 months Transport and Main Roads
Commercial Any 12 months Transport and Main Roads
Not for profit Any 12 months Transport and Main Roads
Self-drive rental Any 12 months Transport and Main Roads
Farming (no primary producer concession) Any 12 months Transport and Main Roads
Driver training Any 12 months Transport and Main Roads
Emergency services Any 12 months Transport and Main Roads
Farming (with a primary producer concession) Any 24 months* Transport and Main Roads
*COI used to register the vehicle is only valid for 12 months. 24 months applies to renewals only

Rigid trucks

Note: The maximum registered GVM of a single rear axle rigid truck is 16,000kg even in cases where the vehicle manufacturer may provide a higher GVM on the vehicle's identification plate. To determine COI requirements from the table below the registered GVM is to be used.

Purpose of use GVM/ATM Frequency of renewal Who inspects vehicle
Private Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Commercial Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Not for profit Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Self-drive rental Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Farm (no primary producer concession) Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Driver Training Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Emergency services Over 4,500-16,000kg 12 months Approved inspection stations
  Over 16,000kg 12 months Transport and Main Roads
Licenced tow truck Any 12 months Transport and Main Roads
Farming (with a primary producer concession) Over 4,500-16,000kg 24 months* Approved inspection stations
  Over 16,000kg 24 months* Transport and Main Roads
* COI used to register the vehicle is only valid for 12 months. 24 months applies to renewals only.

Trailers

Purpose of use GVM/ATM Frequency of renewal Who inspects vehicle
Private Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Commerical Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Not for profit Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Self-drive rental Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Farm (no primary producer concession) Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Emergency services Over 3,500-10,000kg 12 months Approved inspection stations
  Over 10,000kg 12 months Transport and Main Roads
Farm (with a primary producer concession) Over 3,500-10,000kg 24 months* Approved inspection stations
  Over 10,000kg 24 months* Transport and Main Roads
* COI used to register the vehicle is only valid for 12 months. 24 months applies to renewals only.