Here is a 1991 report to the Corporate Affairs Commissioner from his legal officer about an Incorporated Association that appeared to be a trade union.
The report sets out the way the Commission dealt with enquiries of this type.
The Commission engaged an investigator who visited the Association's officials and conducted interviews and other enquiries. The Report sets out the precise definition of "Trade Union" for the purposes of the Associations Incorporation Act.
You'll hear more from former official Ralph Mineif soon!