Cap. 9 Art. 506Supplemental powers of the Court of Criminal Appeal.

The Court of Criminal Appeal 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, the production of which appears to it necessary for the determination of the case; and

(b) if it thinks fit order any witnesses who would have been compellable witnesses at the trial to attend for examination and be examined before the court, whether they were or were not called at the trial, or order the examination of any such witnesses to be conducted in any manner provided by law; and

(c) if it thinks fit receive the evidence, if tendered, of any witness (including the appellant) who is a competent but not compellable witness, and, if the appellant makes an application for the purpose, of spouse of the appellant, in cases where the evidence of the spouse could not have been given at the trial except on such application, subject to the provisions of article 635.