uuhh, there's quite a few!
National Competition Policy 1995 (reduction in protection, and introduction of competitive neutrality)
Workplace Relations Act 1996 (labour market reform)
Industry Statements 1988, 1991 (reduction in protection)
Financial Deregulation (1980s/90s)
National Savings Scheme - compulsory superannuation
New Tax System - GST
Reform of the Product and Factor markets - ACCC introduction