Below is an extract from the Privacy Act 1998 (amended) which you may find useful regarding how long a bankruptcy will remain on your credit file. The full version can be viewed online at http://www.comlaw.gov.au/Details/C2014C00757

20X Retention period for credit information—personal insolvency information
If personal insolvency information relates to a bankruptcy of an individual the retention period for the information is whichever of the following periods ends later:

(a) the period of 5 years that starts on the day on which the individual becomes a bankrupt;
(b) the period of 2 years that starts on the day the bankruptcy ends.

Credit Savvy provides credit file information from Experian, one of three official credit reporting bodies in Australia. If the bankruptcy has passed the time frames listed above, please contact Experian to have this corrected on your credit file.