The law says
IRPA s. 162(1)Each Division of the Board has, in respect of proceedings brought before it under this Act, sole and exclusive jurisdiction to hear and determine all questions of law and fact, including questions of jurisdiction.
Procedure
(2)Each Division shall deal with all proceedings before it as informally and quickly as the circumstances and the considerations of fairness and natural justice permit.
Justice Laws is the authoritative version. If this copy and it ever differ, Justice Laws wins.