https://www.taxtmi.com/article/detailed?id=14857 The Supreme Court dismissed the revenue's appeal, holding that IGST could not be imposed retrospectively via a 2021 notification where the 2017 customs notification did not clearly include IGST. The Court applied the Doctrine Against Retrospective Taxation, ruled ambiguities must be construed in favour of the taxpayer, and identified the practical risk that retrospective IGST levies on re imported aircraft parts would disrupt Input Tax Credit entitlement and create valuation mismatches between customs and GST treatments. en-us Tue, 22 Jul 2025 14:33:04 +0530 Tue, 22 Jul 2025 14:33:04 +0530 TaxTMI RSS Generator https://www.taxtmi.com/article/detailed?id=14857 The Supreme Court dismissed the revenue's appeal, holding that IGST could not be imposed retrospectively via a 2021 notification where the 2017 customs notification did not clearly include IGST. The Court applied the Doctrine Against Retrospective Taxation, ruled ambiguities must be construed in favour of the taxpayer, and identified the practical risk that retrospective IGST levies on re imported aircraft parts would disrupt Input Tax Credit entitlement and create valuation mismatches between customs and GST treatments. Articles Customs - Import - Export - SEZ Tue, 22 Jul 2025 14:33:04 +0530 https://www.taxtmi.com/article/detailed?id=14857