In Credit Suisse Trust Limited v Ivanishvili, Bidzina and others, the Singapore Court of Appeal rejected the proposition that a fiduciary’s duty of good faith is exclusively proscriptive, holding that this duty is not only a fiduciary duty but also has several prescriptive dimensions. This Comment examines the theoretical and practical implications of the decision both as regards the duty of good faith and the broader taxonomy of fiduciary duties and remedies in Singapore law.