The Auditor-General responded on Thursday 13 July 2023 to correspondence from Senator Jacqui Lambie dated 16 June 2023, requesting that the Auditor-General consider an audit of the Inspector-General of the Australian Defence Force. The Auditor-General provided a follow-up response to Senator Lambie on 4 October 2023.

The Auditor-General received further correspondence from Senator Lambie on 6 October 2023 and 3 November 2023. The Auditor-General provided a follow-up response to Senator Lambie on 15 November 2023.

The Auditor-General received further follow-up correspondence from Senator Lambie on 18 October 2024. The Auditor-General provided a follow-up response to Senator Lambie on 31 October 2024.

The acting Auditor-General responded on 24 September 2024 to correspondence from Senator the Hon Richard Colbeck dated 27 August 2024, requesting that the Auditor-General conduct an investigation to examine the COVID-19 Vaccine Claims Scheme.

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 acting Auditor-General responded on 14 August 2024 to correspondence from Senator David Shoebridge dated 26 July 2024, requesting that the Auditor-General conduct an investigation to the use of public funds allocated towards the OneSchool Global schools.

The acting Auditor-General responded on 24 April 2024 to correspondence from Senator Janet Rice and Senator Penny Allman-Payne dated 27 March 2024, requesting the Auditor-General to conduct an audit of the contract between Miles Morgan Australia and the Department of Health and Aged Care to deliver the Future Fit program.

The acting Auditor-General made a follow-up response to Senator Penny Allman-Payne dated 5 July 2024, on conducting a performance audit into the Administration of the Future Fit Program.

The Auditor-General wrote to the Minister for Finance on 21 June 2024 to advise of the outcomes of the 2023–24 annual performance statements audit program, and a proposal for expanding the program of audits in 2024–25 and the following two financial years. The Minister for Finance responded on 2 July 2024 supporting the proposal. The Minister for Finance's full response is provided below.

The acting Auditor-General responded on 27 June 2024 to correspondence from Senator Andrew Bragg dated 5 June 2024, requesting that the Auditor-General conduct an investigation to examine the contract for legal services between King & Wood Mallesons and the Department of Industry, Science and Resources regarding PSI Quantum.

The acting Auditor-General responded on 29 February 2024 to correspondence from Hon. Catherine King MP dated 29 January 2024, requesting that the Auditor-General to conduct an assurance review of the Australian Maritime Safety Authority’s (AMSA) Aids to Navigation (AtoN) procurement.

The Auditor-General responded on 16 January 2024 to correspondence from Senator the Hon. Bridget McKenzie dated 22 December 2023, requesting that the Auditor-General to conduct an audit into the Australian Government's $2.2 billion commitment to the Melbourne Suburban Rail Loop Project.

The Auditor-General responded on 20 December 2023 to correspondence from Ms Zali Steggall MP dated 15 December 2023, requesting that the Auditor-General conduct a review of the Proceeds of Crime Act 2002, administered by the Attorney-General’s Department.