Mode of taking additional evidence
153.—(1)  Without affecting section 152 in dealing with any appeal, the Military Court of Appeal may, if it thinks additional evidence is necessary, either take the evidence itself or direct it to be taken by the trial court.
(2)  When any additional evidence is taken by the trial court, it is to certify that evidence, with a statement of its opinion on the case considered with regard to the additional evidence, to the Military Court of Appeal, and the Military Court of Appeal is to thereupon proceed to dispose of the appeal.
(3)  The parties to the appeal must be present when any additional evidence is taken.
(4)  In dealing with any appeal, the Military Court of Appeal may also call for and receive from the trial court a report of any matter connected with the trial.