“Parliament has chosen a strong word which therefore means that the hurdle of satisfying it is a high one, and that is consistent with the constitutional nature of the right. The decision maker should consider all the relevant circumstances in order to reach a balanced conclusion as to whether a request is vexatious.”
“...the concept of the burden of proof is of secondary importance in tribunal proceedings which involve a full merits review, since to apply strict burdens of proof may prevent the tribunal from properly discharging its responsibility to decide the facts for itself and/or exercise any discretion afresh…”