It is most important in Westminster legal systems because the closeness between the Executive and the Parliament means that the courts play a necessary role in resolving deadlocks between the Executive and Parliament

It ensures that the courts are in a position to make independent judgments on the other two branches of government, and so assists the preservation of ‘separation of powers’

It is effectively a “health check” on the operation of our legal system, telling us how the doctrine of parliamentary sovereignty is being implemented with regards to the courts

It is the length of time that judges are appointed for. In Victoria judges are appointed until they are 70 or 72 years old (depending on when they were appointed) and federally they are appointed for life