An article by R.G.McCulloch:
It is well past time we Australians sorted out who we are. Are we an independent sovereign nation, or are we a colony? Who is legally sovereign the Queen of the United Kingdom, or the Queen of Australia, or the Australian people? Are we then legally a member of the United Nations?
I have done a lot of constitutional and legal research and I will share some of this to see if we can answer the questions above.

The high court of Australia in Sue V Hill 1999 HCA 30 ruled,