Re Finance Sector Union of Australia Ex Parte Illaton Pty Ltd (No M47 of 1992) Ex Parte Swartz (No M48 of 1992)

The applicants, Illaton Pty Ltd and Mr. Swartz, sought orders from the High Court of Australia to prohibit the Finance Sector Union of Australia from taking further steps in relation to certain industrial disputes. The core of the dispute concerned the Union's attempts to represent employees of Illaton Pty Ltd and Mr. Swartz in industrial proceedings, despite the applicants' contention that these employees were not eligible for membership of the Union.

The High Court was required to determine whether the Finance Sector Union of Australia had the constitutional capacity to enrol and represent the employees in question. Specifically, the Court had to consider the scope of the Union's eligibility rules and whether the employment of the individuals concerned fell within the constitutional definition of "finance, insurance, and banking" as contemplated by the relevant industrial legislation.

The Court's reasoning focused on the interpretation of the Union's constitutional eligibility rules and their alignment with the constitutional head of power. It was held that the Union's rules, as they stood, did not extend to cover the employment of the individuals in question, as their roles did not fall within the core activities of finance, insurance, or banking. The Court applied principles of constitutional interpretation to determine the breadth of the Union's coverage, concluding that the Union had exceeded its constitutional authority in seeking to represent these employees.

Consequently, the High Court made orders prohibiting the Finance Sector Union of Australia from taking any further steps in relation to the industrial disputes concerning Illaton Pty Ltd and Mr. Swartz.