The Auditor-General responded on 2 December 2016 to correspondence from Senator the Hon Stephen Parry, President of the Senate, on 14 October 2016, regarding a resolution agreed by the Senate requesting that the Auditor-General conduct a performance audit assessing the procurement of services related to the National Cancer Screening Register.

The Auditor-General responded on 18 May 2018 to correspondence from Senator Whish-Wilson dated 24 April 2018, requesting that the Auditor-General conduct an audit of the implementation of declaration of interest and conflict of interest policies by the Australian Securities and Investments Commission (ASIC).

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.

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 Auditor-General responded on 9 September 2022 to correspondence from Senator the Hon Jonathon Duniam dated 17 August 2022, requesting that the Auditor-General provide feedback on the University of Tasmania's proposal to relocate the Sandy Bay campus to Hobart CBD. 

The Auditor-General responded on 10 March 2022 to correspondence from Senator the Hon Eric Abetz dated 9 February 2022, requesting that the Auditor-General conduct an investigation to examine the planned relocation of the University of Tasmania. 

The Auditor-General responded on 12 July 2019 to correspondence from Senator Mehreen Faruqi dated 3 July 2019, requesting that the Auditor-General conduct an investigation to examine the Live Exports Branch of the Department of Agriculture. The request for audit related to allegations of mismanagement and falsification of official records.

The Auditor-General responded on 3 May 2019 to correspondence from Mr Stephen Jones MP dated 7 April 2019, requesting that the Auditor-General conduct an investigation to examine the Mobile Black Spot Program. 

The Auditor-General responded on 11 December 2019 to correspondence from Senator Kimberley Kitching dated 14 November 2019, requesting that the Auditor-General consider undertaking proposed audits of parliamentary departments listed in the work program. 

The Auditor-General responded on 2 December 2024 to correspondence from Dr Helen Haines MP dated 4 November 2024, requesting that the Auditor-General conduct an investigation on the actions and decisions of the Priority Community Infrastructure Program (PCIP) and Investing in Our Communities Program (IOCP).