Forrest is currently locked in a legal battle with Meta over cryptocurrency scam ads that used his image.
The mining magnatelevelled a criminal case against Facebook in 2022 overthe ads after a failed public appeal to its founder Mark Zuckerberg.
Forrest claims Meta breached Australian anti-money laundering laws by failing to stop fake advertisements being published.
The company has pleaded not guilty to three counts of recklessly dealing with the proceeds of crime to the value of $1000 or more over the advertisements,which date back to early 2019.
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Both parties are locked in a legal battle over a subpoena Meta slapped on Forrest demanding access to his legal team’s private emails and details on how his lawsuit is being funded.
Magistrate Melita Medcalf was due to rule on the document swap on Monday,but it has been adjourned to a later date.
A Meta spokeswoman said the company was constantly tackling scams through a combination of technology like machine learning and specially trained reviewers to identify content and accounts that violate its policies.