Interesting - what trouble did you have with the banks here?
I am a NAB customer and when we got married it was one form to fill in (with associated documentation) to update my wife's details across all of the accounts, including having new debit/credit cards sent out by post within the week.
I am a NAB customer and when we got married it was one form to fill in (with associated documentation) to update my wife's details across all of the accounts, including having new debit/credit cards sent out by post within the week.