The Auditor-General responded on 30 April 2019 to correspondence from Ms Cathy McGowan AO, MP dated 8 April 2019, requesting that the Auditor-General conduct an investigation to examine the politicisation of taxpayer funded grant announcements (Community Sport Infrastructure grants program). 

The Auditor-General responded on 10 May 2018 to correspondence from Senators Patrick, Griff, Hanson-Young and Bernardi, Ms Rebekha Sharkie MP and the Hon. Tony Burke MP dated 24 April 2018, requesting that the Auditor-General conduct an investigation to examine the purchases of water for environmental flows in the Murray-Darling Basin. The Auditor-General provided a follow-up response on 29 April 2019. 

The Auditor-General responded on 29 April 2019 to correspondence from the Minister for Agriculture and Water Resources, the Hon David Littleproud MP, dated 23 April 2019, requesting that the audit of purchases of environmental water by the Commonwealth, and on behalf of the Commonwealth, currently listed as a potential audit be brought forward and expanded. 

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 has responded to correspondence received from Senator Griff dated 11 April 2019, requesting that the Auditor-General provide as much detail as possible regarding the negotiation and awarding of contracts in the audit of the procurement of garrison support and welfare services.

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. 

The Auditor-General responded on 29 March 2019 to the follow-up correspondence from the Hon. Mark Dreyfus QC MP dated 26 March 2019. Mr Dreyfus requested that the Auditor-General extend his investigation to look at the conduct of a range of parties in relation to the announcement of grants. This is in addition to the request to investigate the conduct of a range of parties in relation to the announcement of the grant to the Yankalilla Bowling Club, which was the subject of the original correspondence dated 24 February 2019. 

The Auditor-General responded on 29 March 2019 to correspondence from Ms Cathy McGowan AO MP dated 5 March 2019, requesting that the Auditor-General investigate the conduct of a range of parties in relation to the announcement of grants under Round 3, Building Better Regions Fund. 

The Auditor-General responded on 20 April 2018 to correspondence from Mr Stephen Jones MP dated 26 March 2018, requesting that the Auditor-General conduct an investigation to examine the awarding of a grant under the Regional Jobs and Investment Package program in Tropical North Queensland. The Acting Auditor-General followed-up on 23 January 2019 to advise Mr Jones that an audit of the Regional Jobs and Investment Packages has now commenced.

The Auditor-General responded on 20 April 2018 to correspondence from the Hon. Dr Mike Kelly MP dated 6 April 2018, requesting an audit of the administration of the Regional Jobs and Investment Packages (RJIP) program, specifically as it relates to the allocation of grant funding between electorates. The Acting Auditor-General followed-up on 23 January 2019 to advise Dr Kelly that an audit of the Regional Jobs and Investment Packages has now commenced.