Witness credibility questions unrelated to the dispute require judicial discretion, balancing relevance, remoteness, proportionality, and refusal to answer.

The Court controls whether a witness may be compelled to answer questions unrelated to the proceeding that affect credibility by injuring character. Questions are proper where the imputation, if true, would seriously affect credibility. They are improper where the imputation is remote, has little bearing on credibility, or is disproportionate to the importance of the witness's evidence. A refusal to answer may support an unfavourable inference.

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