The ATO has responsibility for administering the Australian federal taxation system, superannuation legislation, and other associated matters.

[3] During the colonial period of the 1800s, a number of landholders had secured large tracts of arable land in Australia.

Over the next decade, the government introduced several new taxes, mainly to cope with the massive cost of Australia's collecting revenue to fund participation in World War I.

[8] Noroozi's findings included concerns that small businesses were not given enough time to react to a garnishee notice before having their funds seized.

[9] The ATO was criticised for attempting to suppress Boyle's revelations with a non-disclosure agreement and accusing him of 66 offences related to breach of privacy.

[11] Rob Heferen was appointed Commissioner of Taxation and Registrar of the Australian Business Register on 1 March 2024.