(1) The Board may, at any time, request the Secretary:
(a) to forward to the Board further documents in the custody of the Secretary relating to a review;
(b) to obtain, and forward to the Board, further documents relating to a review; or
(c) to arrange for the making of any investigation, or any medical examination, that the Board thinks necessary with respect to a review, and to forward to the Board a report of that investigation or examination.
(2) Where a request is made under subsection (1), the Board shall adjourn any hearing of the review to which the request relates and may, in the case of a review of a decision with respect to a pension assessment, vary that assessment pending the completion of that review, having regard to the records and evidence on which the Commission reached that decision.