i think i missed the specific example of your earlier question.
For the US account to NAB
https://www.nab.com.au/personal/travel-and-overseas-banking/receive-money-from-overseas
Other local banks have guides, CBA have a detailed pdf..
In general most banks keep an "OURS" and "THEIRS" a/c
https://www.investopedia.com/ask/answers/051815/what-difference-between-nostro-and-vostro-account.asp
There's a Bank of International Settlements which gets involved with eod transactions between central banks.