The main objectives of the audit were to examine and form an opinion on:

• the efficiency, economy and administrative effectiveness with which the Commonwealth planned and coordinated implementation of the gun buy-back scheme;
• the management of firearms surrender and destruction in the Australian Capital Territory by the Australian Federal Police; and
• the management of the competitive tendering process for the national public education campaign.

Audit criteria were developed which examined program policy and planning, coordination with and payment of funds to the States.

Defence has long provided housing assistance for members of the Australian Defence Force (ADF) and their families. In 1988, this function passed to the Defence Housing Authority (DHA), which was established to provide suitable housing to meet Defence's operational needs. In 2000, Defence and DHA signed a Services Agreement valued at $3.5 billion over 10 years. The objective of the audit was to assess whether Defence's management of its housing and relocation services provided for ADF members meets specified requirements; and to make practical recommendations for more efficient, effective and economical use of public resources provided for this purpose.

The objective of the audit was to assess whether the Royal Australian Mint’s strategies for addressing the impacts of declining demand for Australian circulating coins are appropriate and effective.

The audit objective was to assess the effectiveness of the Department of Communications and the Arts’ contract management of selected telephone universal service obligations.

The objective of this audit was to examine the extent to which Australian Government entities have implemented the Digital Continuity 2020 policy, and how effectively the National Archives of Australia is monitoring, assisting, and encouraging entities to meet the specified targets of the policy.

The audit reviewed the planning and management of the Australian Defence Force deployments to East Timor, including the support of those deployments. The audit focused on planning for the deployments and the role of Australia as the lead nation in the International Force in East Timor (INTERFET); and financial, personnel, logistic and other systems used to deploy and sustain Australia's military presence in East Timor.

The objective of the audit was to assess the effectiveness of the Department of Veterans’ Affairs’ and the Department of Defence’s administration of the Australian Government’s $55 million support package announced in the May 2010 Budget for former F-111 fuel tank maintenance workers and their families. The audit examined the implementation of the 14 agreed recommendations in the Government Response to the 2009 Parliamentary Inquiry into the F-111 deseal/reseal issues, which formed the basis of the May 2010, F-111 support package.

The audit objective was to examine whether the selected entities have implemented a selection of agreed parliamentary committee and Auditor-General recommendations.

The objective of the audit was to assess the implementation of the Australian Taxation Office's Client Contact – Work Management – Case Management system (CWC). The audit examined four key areas that included:

• progress of the CWC against the endorsed Change Program business case;
• improvements to the productivity and efficiency of tax administration as a result of the implementation of the CWC;
• improvements to client experiences when dealing with the Tax Office as a result of the implementation of the CWC; and
• effects of the CWC implementation, including additional benefits achievable beyond its current capacity to further improve tax administration.

This report complements the Interim Report on Key Financial Controls of Major Entities financial statement audit report published in June 2019. It provides a summary of the final results of the audits of the Consolidated Financial Statements for the Australian Government and the financial statements of Australian Government entities for the period ended 30 June 2019.