FactChecker: Is u/Fun_Seat4906's claim correct?

The claim:

Socialist MP and education minister, u/Fun_Seat4906 claimed on Twitter, among other things, that the government practice of only allocating ministerial titles based on the names of government departments had been in place "for months" following the Acts Interpretation (Administrative Arrangements) Order 2021 (AAO).

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The background:

The Labor party and leader u/dyljam recently criticised the government for its failure to appoint ministers for industrial relations, employment, climate change and emissions reduction.

Minister for Education u/Fun_Seat4906 claimed that there were no such ministers as the AAO, announced on 11 October 2021, prevented such ministers being appointed.

Further, the minister claimed that the practice of the government only appointing ministers with titles corresponding with their respective departments began on 11 October 2021, when the AAO was announced.

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The verdict:

https://preview.redd.it/l26t5uxz03681.png?width=836&format=png&auto=webp&s=a30ae6ee52106890a0a6808e32458f1f437b131a

The AAO issued 11 October did change some government departments, however there was no cabinet reshuffle and the incumbent ministers kept their titles, including for employment, climate change and emissions reduction.

The first government to announce that ministers would be titled congruent with their respective department (with the exception of Minister for Indigenous Affairs) is the incumbent government, announced on 13 December 2021.

Therefore, the minister's claim that the current arrangement relating to ministerial titles being in place "for months" is incorrect. This practice was only established on 13 December 2021 (this week).