The Acting Auditor-General responded on 23 February 2023 to correspondence from Hon Mark Dreyfus KC, MP dated 3 February 2023, requesting that the Auditor-General undertake a performance audit of the Expensive Commonwealth Criminal Cases Fund. 

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 Auditor-General received correspondence from Senator the Hon Don Farrell dated 7 November 2022, requesting that the Auditor-General conduct an investigation to examine the Parliamentary Expenses Management System project.

The Auditor-General met with Senator the Hon Don Farrell on 24 November 2022 to discuss the concerns raised in the request for audit. The request is being considered in the development of the ANAO 2022–23 Annual Audit Work Program.

The Auditor-General provided a follow-up response to Senator the Hon Don Farrell on 14 April 2023.

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 17 January 2022 to correspondence from the Hon Tanya Plibersek MP dated 20 December 2021, requesting that the Auditor-General conduct an investigation to examine the Australian Government’s administration of Australian Research Council grants. 

The Auditor-General responded on 2 May 2022 to correspondence from Senator Rex Patrick dated 5 April 2022, requesting that the Auditor-General conduct an investigation to examine the process in making statutory and other senior appointments across the whole government over the six months preceding the application of caretaker conventions prior to the 2022 Federal election. 

The Auditor-General responded on 26 April 2019 to correspondence from Dr Kerryn Phelps AM, MP and co-signatories dated 10 April 2019, requesting that the Auditor-General conduct an investigation to examine campaign advertising. 

The Auditor-General responded on 6 February 2025 to correspondence from Dr Anne Webster MP dated 17 January 2025, requesting that the Auditor-General conduct an investigation to examine whether the Australian Government's Housing Support Program granted funds in accordance with stated criteria.