316. Witnesses.

316.     Witnesses.

The investigation committee1 or tribunal2 may, on the application of a party3 or of its own motion, require a witness to attend a hearing4. Witnesses must be required to take an oath5, or to affirm, before giving oral evidence at a hearing6. Save in the case of vulnerable witnesses7, witnesses: (1) if giving oral evidence-in-chief, shall first be examined by the party calling them8; (2) may be cross-examined by the opposing party9; (3) may be re-examined by the party calling them10; and (4) may at any time be questioned by the committee or tribunal11. Any