Retrospectivity of Judicial Declarations

This note by J the App examines the judgment of the Calcutta High Court in Sunrise Timply Company Pvt. Ltd. v. Union of India & Ors. The judgement revisits and clarifies a foundational principle of Indian constitutional jurisprudence: the distinction between judicial declarations of law and legislative commands, particularly in their operation over time. Arising from continued attempts by tax authorities to sustain the levy of IGST on ocean freight despite authoritative judicial invalidation, the case foregrounds a recurring constitutional infirmity in fiscal administration namely, the assumption that judicial pronouncements operate prospectively unless expressly stated otherwise. The judgment decisively rejects this premise and reaffirms that a declaration of law by a constitutional court operates retrospectively by default, unless the court itself consciously limits its temporal application. In doing so, the Court restores doctrinal clarity, reinforces constitutional hierarchy, and underscores the binding and immediate authority of judicial declarations over executive interpretation.