Rules of the Supreme Court of Canada

57 (1) The affidavit in support of a motion for intervention shall identify the person interested in the proceeding and describe that person’s interest in the proceeding, including any prejudice that the person interested in the proceeding would suffer if the intervention were denied.

(2) A motion for intervention shall

• (a) identify the position the person interested in the proceeding intends to take with respect to the questions on which they propose to intervene; and

• (b) set out the submissions to be advanced by the person interested in the proceeding with respect to the questions on which they propose to intervene, their relevance to the proceeding and the reasons for believing that the submissions will be useful to the Court and different from those of the other parties.