Canada Industrial Relations Board Regulations, 2012

21 (1) A party who seeks disclosure of relevant documents at the time of its application, response or reply must request in writing the disclosure directly from the other party or other parties.

(2) A party seeking disclosure at any other time must seek leave of the Board.

(3) If parties enter into an agreement respecting the disclosure of documents, the Board may order that they file a copy of the agreement with the Board.

(4) If the parties are unable to agree on the extent of disclosure, the Board may, on agreement of the parties, assist them to resolve the question.

(5) If the matter remains unresolved, the Board may make an order resolving the dispute.