Customs tariff amendment updates duty classifications, exemptions and export-linked compliance requirements for multiple goods. Amendment to Notification No. 50/2017-Customs revises tariff entries and duty rates, inserts and omits multiple serial entries, updates Lists of medicines and diagnostics, introduces an export-linked ANNEXURE condition permitting a twelve-month (plus up to three-month) export window for goods made from imported inputs, and replaces and adds provisos imposing differing temporal expiry dates for specified serial numbers; the notification takes effect on 2 February 2025.