(1) A document used in a proceeding that refers to material of a cultural or customary nature that a party claims is of a confidential or secret nature, must:
(a) have the claim endorsed on the front page of the document; and
(b) be accompanied by a document, contained in a sealed envelope, that contains a short description of the material and the reason for its confidential or secret nature.
(2) The sealed envelope must not be opened except with the leave of the Court.
Note The Court may grant leave to open the sealed envelope on the condition that the material or part of the material not be disclosed.