(1) A witness in a proceeding must take an oath before giving evidence.
(2) Subsection (1) does not apply to a person who gives evidence otherwise than on oath under section 13.
(3) A person who is called merely to produce a document or thing to the court need not take an oath.
Note for section 21
This section departs from the corresponding provision in other jurisdictions because of the provisions in the Oaths, Affidavits and Declarations Act.