Extract to table

An applicant must bring its challenge within one or more of the specified categories

6 The requirement of substantial injustice means that the applicant must demonstrate that, but for the irregularity complained of, the tribunal might well have reached a different conclusion on a matter material to the outcome

A mere possibility that a different result might have been reached is insufficient; the applicant must demonstrate that the irregularity had a material impact on the outcome

4 The conditions set out in section 69(3)(a) to (d) are cumulative: all must be satisfied before permission to appeal may be granted

5 The question must be one of law — not of fact, and not of mixed fact and law

The tribunal is required to deal with all essential issues, but it is not required to address every argument or point raised by the parties