12Supplemental powers of the court

#### 12 Supplemental powers of the court 12 Supplemental powers of the court > > (1) The court may, if it thinks it necessary or expedient in the interests of justice— > > > > > (a) order the production of any document, exhibit, or other thing connected with the proceedings, and > > > > > (b) order any persons who would have been compellable witnesses at the trial to attend and be examined before the court, whether they were or were not called at the trial, or order any such persons to be examined before any judge of the court or before any officer of the court or other person appointed by the court for the purpose, and admit any deposition so taken as evidence, and > > > > > (c) receive the evidence, if tendered, of any witness (including the appellant) who is a competent, but not a compellable witness, and > > > > > (d) where any question arising on the appeal involves prolonged examination of documents or accounts, or any scientific or local investigation, which cannot, in the opinion of the court, be conveniently conducted before the court, the court or any judge thereof may refer the question for inquiry and report to a commissioner appointed by the court, and act upon the report of any such commissioner so far as the court thinks fit, and > > > > > (e) appoint any person with special expert knowledge to act as assessor to the court in any case in which it appears to the court that such special knowledge is required for the determination of the case, > > > > and exercise in relation to the proceedings of the court any other powers which may for the time being be exercised by the Supreme Court on appeals or applications in civil matters, and issue any warrant or other process necessary for enforcing the orders or sentences of the court: Provided that in no case shall any sentence be increased by reason of, or in consideration of any evidence that was not given at the trial. > > > (2) The Court of Criminal Appeal may remit a matter or issue to a court of trial for determination and may, in doing so, give any directions subject to which the determination is to be made. > > **s 12:** Am 1987 No 251, Sch 1 (3); 2001 No 121, Sch 2.76 \[13\].