If you can egt accomodation when you arrive then just wait before you book any apartment contracts. There are plenty of Accomodation notices posted on the notice boards and even websites. try this. goinghomesale.com.

Which part of Australia are you going to? i'm in melbourne and i;ve got an empty room till April.

Really not sure unless you are working for the bank! haha..
Email their customer support? i'm sure they would reply you promptly.

Normally takes 1-2 working days, if not immediately.