reg 20 Documents and exhibits
(1) The registrar may, on an application made to him by a party to the proceedings or where he considers it necessary for the proper determination of the proceedings, and must, where so directed by the court, obtain and keep available for use by the court any document, exhibit or other thing connected with the proceedings. (2) The court may, at any stage of proceedings, whenever it thinks it necessary or expedient in the interests of justice to do so, order any person having custody or control of any document, exhibit or other thing connected with the proceedings to produce it to the registrar. (3) After an application is refused or is abandoned, or the appeal or reference is determined or abandoned, the registrar must, subject to any order which the court may make, return any document, exhibit or other thing to the person who produced it. (4) Unless the court otherwise directs, any order made under paragraph (2) must be served personally.