*The Industrial Relations Act 1988, which replaced the Conciliation and Arbitration Act 1904
*The Industrial Relations Act 1988, which replaced the Conciliation and Arbitration Act 1904
*the Social Security Act 1991, which replaced the Social Security Act 1947.
*the Social Security Act 1991, which replaced the Social Security Act 1947.
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*The World Heritage Properties Conservation Act 1983, which invoked a provision in the Constitution to bring "heritage areas" under Commonwealth control for preservation purposes.
*The World Heritage Properties Conservation Act 1983, which invoked a provision in the Constitution to bring "heritage areas" under Commonwealth control for preservation purposes.