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 10 September 2021 to correspondence from Ms Madeleine King MP and Senator the Hon Kristina Keneally dated 26 August 2021, requesting that the Auditor-General conduct an investigation to examine the Beetaloo Cooperative Drilling Program because of probity concerns. 

The Auditor-General responded on 20 August 2021 to correspondence from Mr Julian Hill MP dated 26 July 2021, requesting that the Auditor-General conduct an investigation to examine the efficiency, effectiveness, quality and integrity of partner visa processing by the Department of Home Affairs. 

The Auditor-General has received follow-up correspondence from Mr Julian Hill MP dated 27 August 2021.

The Auditor-General responded on 2 August 2021 to correspondence from the Hon Catherine King MP and Mr Andrew Giles MP dated 7 July 2021, requesting an audit into the entirety of the Morrison Government's $4.8 billion Urban Congestion Fund.

The Auditor-General responded on 29 July 2021 to correspondence from Ms Michelle Rowland MP and Senator Kimberley Kitching dated 9 July 2021, requesting that the Auditor-General conduct an investigation to examine NBN Co Limited executive bonuses for the 2019–2020 financial year and the legitimacy of the underlying targets to which the bonuses were linked. 

The Auditor-General responded on 1 July 2021 to correspondence from the Hon Brendan O'Connor MP and Mr Tim Watts MP dated 5 June 2021, requesting that the Auditor-General consider initiating a performance audit into the use of provisional ICT accreditation within Defence. 

The Auditor-General responded on 22 June 2021 to correspondence from Mr Jason Falinski MP dated 27 May 2021, requesting that the Auditor-General conduct an investigation to examine concerns raised by Mr Falinski's constituent regarding the louvre windows selected by the appointed company for the Department of Defence building project — Cook and Tiroas Barracks, Vanuatu.

The Auditor-General responded on 16 June 2021 to correspondence from Senator Malcolm Roberts dated 19 May 2021, requesting that the Auditor-General conduct an investigation to examine the administration of Natural Disaster Relief and Recovery Arrangements programs and funding. 

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 Auditor-General responded on 17 May 2021 to correspondence from Senator Sarah Hanson-Young dated 21 April 2021, requesting that the Auditor-General conduct an audit of the $40 million given to Fox Sports for the purpose of broadcasting women’s sport.