Apply for technical advisory committee approval

If you have built or modified your vehicle, it may have to be assessed by the technical advisory committee (TAC).

The committee provides recommendation to the MVR on the approval and suitability of your vehicle.

It is made up of representatives from various motor vehicle enthusiast groups, transport department officers and NT Police.

Before you start

You will need all of the following:

  • to complete an application to modify a vehicle
  • your vehicle details such as month and year of vehicle manufacture
  • additional information that will help in the assessment of your vehicle – eg:
    • photos or sketches
    • certification documents such as engineering approval or kit approvals.

How to apply


Email your completed application to modify a vehicle (514.3 kb) to

You will be notified in writing about the outcome of the assessment.


You can send your application to:

Department of Infrastructure, Planning and Logistics
GPO Box 530
Darwin NT 0801

In person

You can apply at a MVR office. 

For more information contact the MVR.

More information

Read more about light vehicle modifications (915.0 kb).