Vehicle Modification Approval / Notification - Victoria

Service summary

You may require this approval if you intend to modify a vehicle. This includes any alteration to the construction or equipment of a vehicle and installing or attaching any fitting or equipment to either the inside.

VicRoads must be notified of certain changes to vehicles, including any changes to the description of the vehicle such as change of engine, colour, LPG (liquid petroleum gas) conversion, adding or removing seats, or amending the gross vehicle mass (GVM) of a vehicle (for trucks and buses). This also applies to adding, removing or replacing seats.

Depending on the type of change, you may be required to obtain a vehicle assessment signatory scheme (VASS) certificate, and/or complete a change of vehicle description form.

Please contact VicRoads for more information on whether approval is required for your vehicle modification.

Service type


A licence defines the need to obtain recognition / certification and registration to undertake a certain business activity.

Eligibility requirements

Changes to seating capacity must be carried out according to VicRoads guidelines. LPG installations must comply with Australian AS 1425, while CNG (Compressed Natural Gas) installations must comply with the technical requirements of the Australian Standards AS 2739.

Please consult the agency for more information on the standards that your vehicle modification must meet.



Please consult the responsible agency for information on fees to be submitted with your application.

Other resources

Administering agency

Department of Economic Development, Jobs, Transport and Resources

Act(s) name

Road Safety Act 1986 (Victoria)

Regulation(s) name

Road Safety (Vehicles) Regulations 2009 (Victoria)

Contact details

Department of Economic Development, Jobs, Transport and Resources

Operating address:
PO BOX 1644
Melbourne, Victoria 3001
Operating address:
60 Denmark Street
Victoria 3101


13 11 71


03 8391 3216

Supporting information


The information contained on the Australian Business Licence and Information Service (ABLIS) web site, or via packages or other sources is intended for general guidance only.

To the full extent permitted by law, the Federal, State, Territory and Local Governments make no representations or warranties (expressed or implied) in relation to the information, including its accuracy, currency or completeness.

The business information provided does not constitute professional or legal advice, nor is the use of any third party resource an endorsement of the information contained, the associated organisation, product or service. It is recommended that you obtain appropriate professional and /or independent legal advice to ensure that the material provided here is relevant to your particular circumstances.

To the full extent permitted by law the Federal, State, Territory and Local Governments, their employees and agents do not accept any liability for any reason, including without limitation, liability in negligence, to any person for the general information which is provided herein, or in respect of anything, including the consequences of anything done, or not done, by any such person in whole or partial reliance upon the information.