PART IV
PROVISIONS RELATING TO ALL CRIMINAL INVESTIGATIONS AND PROCEEDINGS
Parties may examine witnesses
138. (1) The parties to any proceeding under this Code in which a commission is issued may respectively forward any interrogatories in writing which the court directing the commission may think relevant to the issue, and the magistrate to whom the commission is directed shall examine the witness upon such interrogatories.
(2) Any such party may appear before such magistrate by advocate, or, if not in custody, in person, and may examine, cross-examine, and re-examine (as the case may be) the said witness.
Fair trial standards
Rights during trial - examine witnesses
EDIT.