The Auditor-General responded on 22 October 2021 to correspondence from Senator Mehreen Faruqi dated 27 September 2021, requesting that the Auditor-General conduct an investigation to examine the administration of the Australian Research Council's funding application processes. 

The Auditor-General responded on 27 February 2020 to correspondence from senators Larissa Waters and Janet Rice dated 14 February 2020, requesting that the Auditor-General conduct an investigation to examine the decision-making process under the Community Development Grants Programme.

The Auditor-General responded on 3 July 2020 to follow-up correspondence from senators Larissa Waters and Janet Rice dated 9 June 2020, requesting that the Auditor-General reconsider including a review of the decision-making process under the Community Development Grants Programme as part of the ANAO 2020-21 Annual Audit Work Program.

The Auditor-General responded on 20 December 2024 to correspondence from the Hon Dr Anne Aly MP dated 26 November 2024, requesting that the Auditor-General conduct an investigation to examine the administrative arrangements of the Inclusion Support Program (ISP).

The Auditor-General responded on 10 September 2021 to correspondence from Mr Adam Bandt MP dated 25 August 2021, requesting that the Auditor-General conduct an investigation into the management of the Beetaloo Cooperative Drilling Program. 

The Auditor-General responded on 11 March 2020 to follow-up correspondence from Senator Sarah Hanson-Young, requesting an audit into the Federal and South Australian governments’ agreement to reduce SA’s Murray-Darling river water allocation by 100GL and Commonwealth funding provided to increase the use of the state’s desalination plant to replace the water. The Auditor-General responded to the original correspondence from Senator Hanson-Young on 19 December 2019. The Auditor-General provided a follow-up response to Senator Hanson-Young on 24 July 2020. 

The Auditor-General responded on 28 September 2023 to correspondence from Senator the Hon Michaelia Cash dated 5 September 2023, requesting that the Auditor-General conduct an investigation to assess the adequacy of data collection, performance monitoring and other governance arrangements under the National Legal Assistance Partnership (NLAP) in the Attorney-General’s portfolio.

The Auditor-General responded on 14 February 2020 to correspondence from Senator Sarah Hanson-Young dated 20 January 2020, requesting that the Auditor-General investigate allegations concerning procurement of water entitlements in the Murray-Darling Basin. 

The Auditor-General responded on 12 August 2020 to correspondence from Senator Rachel Siewert dated 9 July 2020, requesting that the Auditor-General examine the National COVID-19 Coordination Commission as part of the audit program of the Government’s COVID-19 response. 

The Auditor-General responded on 20 July 2018 to correspondence from the Hon. Catherine King MP dated 31 May 2018, requesting that the Auditor-General conduct an investigation to examine the circumstances surrounding the listing of afatinib (Giotrif^®) on the Pharmaceutical Benefits Scheme (PBS). 

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.