(1) The Commission may intervene in, and may be joined as a party to, any proceeding before any court or tribunal in which a question of law arises that relates to the application of this Charter or a question arises with respect to the interpretation of a statutory provision in accordance with this Charter.
(2) If the Commission intervenes in a proceeding under this section, then, for the purpose of the institution and prosecution of an appeal from an order made in that proceeding, the Commission may be taken to be a party to the proceeding.