Section 247A of the Corporations Act may be useful in providing...

Section 247A of the Corporations Act may be useful in providing relief to a shareholder of any company who is acting in good faith with a proper purpose.

This section of the Act gives a shareholder a right to apply to the court for an order authorising them (or another person on their behalf) to inspect a company’s books. For example, "another person" might mean a forensic accountant

https://www8.austlii.edu.au/cgi-bin/viewdoc/au/legis/cth/consol_act/ca2001172/s247a.html

The above is not legal advice. The points noted above are intended to be read as general points of discussion.

I think it's worth a read.