The Auditor-General responded on 4 February 2021 to correspondence from Senator Sarah Hanson-Young dated 14 January 2021, requesting that the Auditor-General conduct an audit of the approval of the Yeelirrie uranium mine by the Federal Government in 2019.

The acting Auditor-General responded on 26 August 2024 to correspondence from the Hon Paul Fletcher MP dated 30 July 2024 and follow-up correspondence dated 14 August 2024, requesting that the Auditor-General conduct an investigation into the investment in PsiQuantum announced by the Australian and Queensland governments on 30 April 2024.

The Auditor-General responded on 18 March 2019 to correspondence from the Hon. Shayne Neumann MP dated 19 February 2019 and 14 March 2019.  The Auditor-General further responded on 1 April 2019. The correspondence from Mr Neumann requested that the Auditor-General conduct an audit into the circumstances surrounding the Department of Home Affairs' procurement of garrison support and welfare services in Papua New Guinea. 

The audit objective was to assess the effectiveness of the Department of the Environment and Energy's award of funding under the 20 Million Trees Programme.

The audit objective was to assess the effectiveness of the Australian Taxation Office's (ATO) strategies and activities to address the cash and hidden economy.

The objective of the audit was to assess the effectiveness of the Australian Government’s personnel security arrangements for mitigating insider threats.

The Economic Security Strategy (ESS) campaign is intended to inform the community of aspects of the Australian Government's response to the global financial crisis. This component of the campaign is designed to raise awareness, among those for whom English is not a convenient language, of the financial assistance available, in the form of lump sum payments, and of access and eligibility requirements.

The ABHI campaign is an information campaign, largely in cooperation with other states (excl Victoria) which promotes improved public health and reduced incidence of chronic disease. This component of the campaign takes a culturally relevant approach and includes advertising content and messages delivered through Indigenous media channels.

The Auditor-General responded on 19 November 2021 to correspondence from Senator Malcolm Roberts dated 28 October 2021, requesting that the Auditor-General clarify issues relating to the Disaster Recovery Funding Arrangements. 

The Auditor-General received further correspondence about this matter from the Chief Executive Officer of the Queensland Reconstruction Authority, Mr Brendan Moon on 6 June 2022. 

The Auditor-General responded on 7 June 2021 to correspondence from Senator Sarah Hanson-Young dated 10 May 2021, requesting that the Auditor-General conduct an investigation to examine the federal government’s spending on offsets for the Western Sydney Airport.