Occasionally a commercial agent (debt collector) will let you know that you are entitled to claim money held by a government department.
Revenue NSW holds unclaimed money from various sources, you can look for unclaimed money free of charge from them. Contact Revenue NSW, for more information:
Australian Securities and Investments Commission (ASIC) can also help find unclaimed money from life insurance policies, old deposit accounts and shares or dividends. Contact (ASIC) for more information: