GST notification amendment broadens metal scope to include silver and platinum and reclassifies tariff heading. The state GST rate notification is amended to substitute 'gold' with 'gold, silver or platinum', to replace the reference 'heading 7108' with 'Chapter 71', and to substitute clause (d) of the Explanation defining 'Chapter' as the heading specified in the First Schedule to the Customs Tariff Act, 1975; the amendments take effect from 1 October 2019.