The audit reviewed the administration of referrals, assessments and approvals processes under the Environment Protection and Biodiversity Conservation Act 1999. The objective of the audit was to examine and report on the quality and timeliness of environmental assessments and approvals under the Act, as well as on Environment Australia's activities to ensure compliance with the Act.

The Department of Defence spends some $2.4 billion a year on major equipment acquisition projects. The audit objective was to assess Defence's arrangements for higher-level management of major equipment acquisition projects. The principal aim was to formulate practical recommendations that would both enhance Defence's management of major acquisition projects and provide a degree of assurance about its ongoing apparent capacity to do so efficiently and effectively.

The audit reviewed Defence's management of the Test and Evaluation (T&E) aspects of its capital equipment acquisition program. The audit sought to identify, from Defence T&E practice, any barriers that might limit the efficiency and effectiveness of its T&E activities.