(1) If, at any time during the Tribunal's review of a decision, the Tribunal is satisfied that a document that may be relevant to the review is in the possession or under the control of the decision - maker, the Tribunal may request the decision - maker to give a copy of the document to the Tribunal within a specified period.
(2) The request may relate to a particular document or documents in a class of documents.
(3) If the document is in the possession or under the control of the decision - maker, the decision - maker must give the Tribunal a copy of the document within the specified period.