<h1>Harmonized System Nomenclature 2017 Edition Enforced January 1, 2017; 233 Amendments Across Multiple Sectors Impact Trade Classification.</h1> The World Customs Organization's Harmonized System Nomenclature 2017 edition will be implemented starting January 1, 2017. This update involves 233 amendments across various sectors: 85 in agriculture, 45 in chemicals, 13 in wood, 15 in textiles, 6 in base metals, 25 in machinery, 18 in transport, and 26 in other sectors. Importers, exporters, and customs brokers must ensure goods are classified according to HSN 2017 when filing customs declarations for imports or exports from this date. The amendments are detailed in the Finance Act 2016, correlating the 2017 and 2012 versions of the Harmonized System.