There will be an investigation into every reportable death.

The investigation will vary depending on the circumstances of the death and may include:

1. A review of the person's medical history and the circumstances of the death.
2. An autopsy and pathology tests
3. Reports from investigators, such as the police, doctors, engineers, work safety inspectors, electrical inspectors, mining inspectors, air safety officers etc., as well as statements from witnesses.
4. In some cases expert reports are obtained.