Customs tariff amendments alter classification and duty treatment for specific imported commodities under the Finance Bill. The Third Schedule to the Finance Bill, 2017 amends the First Schedule of the Customs Tariff Act by substituting, omitting and inserting specified tariff items and sub-headings, revising commodity descriptions and unit entries, and adjusting duty treatments for listed goods; it also corrects and replaces Chapter notes and headings to refine scope and applicability of duty treatment for imported goods.