Section 16 gives the court of appeal power to deal with any case before it on appeal, which power includes the jurisdiction of a court of first instance. The section confers on the lower court wide power to enable it make order which the High Court would have made in a matter of jurisdiction of the High Court i.e. a precondition for the invocation of the provision of Section 16 by the Court of Appeal. The section stipulates that the court of Appeal may from time to time; make any order necessary for determining the real question in controversy in the appeal.
– Adekeye JSC. Harka v. Keazor (2011) – SC.262/2005