<h1>Mandatory service charge deemed an unfair trade practice; restaurants must keep tips voluntary and not add default charges.</h1> Challenge to an order upholding CCPA guidelines that prohibit mandatory service charge collection on restaurant bills; the court found mandatory service charge an unfair trade practice and coercive, creating an undue burden when combined with statutory taxes, while permitting voluntary tips that must not be added by default; the appeal raises questions about contractual liability from menu disclosures, owners' pricing structure rights, labour implications, and CCPA's jurisdiction.