How are Australian BSB banking numbers entered into X3?

In Australia a BSB number is used by banks. This is a six-digit number that identifies banks and branches across Australia

BSB :

In Australia the BSB ( six-digit number that identifies banks and branches across Australia) and Bank account number in field Banks account number in Bank details Tab within a Supplier (GESBPS) or Customer (GESBPC) BP setup.  

Based on Country selection the digits in Banks account number field is formatted to separate the 6-digit BSB followed by bank account number