CONSTITUTIONAL SEPARATION OF POWERS POWERS of GOVERNMENT LEGISLATIVE POWER EXECUTIVE POWER JUDICIAL POWER Parliament The Executive:- . Cabinet ministers; supported by . Government departments Courts, tribunals and judges Under the Westminster System, these powers should be exercised independently (separately) – the Doctrine of Separation of Powers Figure 1.2 Separation of Powers These 2 arms of government are headed by the Queen’s representative:- . Governor-General for Australian Parliament . Governor for State Parliaments