Customs tariff rates revised across the First Schedule, imposing new ad valorem and specific duties for numerous subheadings.

Amendment to the First Schedule of the Customs Tariff Act substitutes new duty entries in column four and, where specified, column five for numerous chapters and sub headings, generally replacing existing entries with specified ad valorem percentages or, for listed items, with alternate percentages, specific duties or composite "rate or amount, whichever is higher" rules, while identifying extensive sub heading exceptions and bespoke substituted entries.

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