What must a referee do immediately after witnessing a rule violation?

When a referee witnesses a rule violation, the immediate and proper course of action is to call a halt to the bout and address the situation. This step is crucial because it ensures that the integrity of the match is maintained. By stopping the bout, the referee can take the necessary measures to interpret the rules accurately, assess the impact of the violation, and apply appropriate penalties or corrective actions.

Addressing the situation right away helps maintain fairness and order within the competition, thus reinforcing the standards expected in the sport. Referees play a vital role in upholding the rules, and responding promptly to violations is essential for effective officiating. This immediate intervention helps clarify any disputes and keeps the competitors informed about any implications of the violation.

Options that suggest ignoring the violation or consulting with the audience are inconsistent with the responsibilities of a referee, as they undermine the authority and control the referee must maintain over the match. Leaving the area would not only disrupt the bout but also fail to address the violation properly, contrary to the protocols set forth in fencing competitions.