This paper reviews the specific rules and exceptions in the Rules of Court for questioning certain categories of witnesses. In particular, it discusses questioning corporate representatives under rules 5.4, 5.17, 5.18, and 5.29. It also considers questioning minors under rule 5.17, including court applications to determine competence and providing adequate protection to a child in questioning. Finally, the paper discusses questioning professional defendants, highlighting relevant case law.

This paper is part of a collection presented at LESA’s Rules of Court 2017 program held in Edmonton on April 6, 2017 and in Calgary on April 20, 2017.