Wow, this is certainly good news. However, I have also not been able to find any official statements about this from any major websites or government release papers. If this is true, it is certainly a good thing to be done and I really hope other countries will follow this example.
It certainly looks like the world is changing towards a unified currency that can be used across all countries, and changes like this are the first piece of the puzzle to making this come true.
That is because Bitcoin is still no legalized in Australia and we can still only speculate of the final term of legalization.
I've searched to see if there are any solid sources of info about Australian Legalization and it seems that this article is the best clue we have:
https://themerkle.com/australia-may-fully-legalize-bitcoin-if-bipartisan-proposal-is-approved/