It's a long-running ‘dummy director’ scam that’s siphoned tens of millions of dollars from workers, small businesses and the taxpayer.
In Victoria, a small group of accountants spent 15 years signing on drug users and homeless Australians to help their clients cheat the system.
Reporter Dan Oakes investigates how this was allowed to go on for so long.
This is a repeat of a program that aired in February 2020.