For the purposes of an appeal , or an application for leave to appeal, under this Part of this Act the Court of Appeal may, if they think it necessary or expedient in the interests of justice—
The power conferred by subsection (1)(a) may be exercised so as to require the production of any document, exhibit or other thing mentioned in that subsection to—
The Court of Appeal shall, in considering whether to receive any evidence, have regard in particular to—
Subsection (1)(c) above applies to any evidence of a witness (including the appellant) who is competent but not compellable ... .
For the purposes of an appeal , or an application for leave to appeal, under this Part of this Act, the Court of Appeal may, if they think it necessary or expedient in the interests of justice, order the examination of any witness whose attendance might be required under subsection (1)(b) above to be conducted, in manner provided by rules of court, before any judge or officer of the Court or other person appointed by the Court for the purpose, and allow the admission of any depositions so taken as evidence before the Court.
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In this section, "respondent" includes a person who will be a respondent if leave to appeal is granted.