 Similarly they decided that the United Kingdom could not exercise any judicial power over Australia , with the end of appeals to the Judicial Committee of the Privy Council , and the court 's previous decision , in Kirmani v Captain Cook Cruises Pty Ltd ( No 2 ) not to grant any more certificates of appeal . They also decided that no executive power existed over Australia , as although the sovereign monarch of Australia and the sovereign monarch of the United Kingdom are the same person , it had been accepted for a long time that the monarch acts in Australian matters on the advice of Australian ministers , and does not accept the advice of United Kingdom ministers in Australian matters at all . 
