A regulatory body that contests an appeal on a question of law from a tribunal decision runs the usual costs risk and will be ordered to pay the successful appellant's costs. The body's public interest function does not insulate it from costs on appeal. The principle that costs should not be awarded against a statutory tribunal does not apply to a regulatory body that appears as a party before the tribunal. Whether the tribunal's error was induced by the respondent is irrelevant to the costs question.
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