The notification revise customs duty rates on various precious metal imports, primarily increasing the concessional customs duty from 5% to 10% on several categories of gold, silver, and related products. The revised rates apply to gold dore bars containing up to 95% gold, silver dore bars containing up to 95% silver, gold bars and gold coins imported by eligible passengers, gold ornaments and tola bars, silver imports including ornaments, gold and silver findings used in jewellery, and other specified precious metal goods. It also inserted a new entry, serial number 200A, prescribing a 10% customs duty on spent catalyst or ash containing precious metals.