Civil Procedure Act 2005

The originating process in representative proceedings, or a document filed in support of the originating process, must, in addition to any other matters required to be included—

describe or otherwise identify the group members to whom the proceedings relate, and

specify the nature of the claims made on behalf of the group members and the relief claimed, and

specify the question of law or facts common to the claims of the group members.

In describing or otherwise identifying group members for the purposes of subsection (1), it is not necessary to name, or specify the number of, the group members.