Government is undertaken by three inter-connected arms of government : The Separation of powers is the principle whereby the three arms of government undertake their activities separate from each other : Until the passage of the Australia Act 1986 , and associated legislation in the Parliament of the United Kingdom of Great Britain and Northern Ireland , some Australian cases could be referred to the British Judicial Committee of the Privy Council for final appeal .
Government is undertaken by three inter-connected arms of government : The Separation of powers is the principle whereby the three arms of government do their activities separate from each other : Before the Australia Act 1986 , and matching legislation in the parliament of the United Kingdom , some Australian cases could be sent to the Judicial Committee of the Privy Council for final appeal .