This decision was reversed by the High Court, which held (contrary to the majority here) that fraud by a migration agent vitiating an applicant's consent to non-appearance does constitute jurisdictional error. The majority reasoning in this case is no longer good law on the fraud point.
The full text is available to signed-in members, including the 49 later cases that cite this judgment.
9 of the 49 citing cases carry a classified treatment. How each court treated it is available to signed-in members.