Customs tariff concession for specified goods from designated countries, subject to proof of origin and item-wise duty reduction. Customs tariff concession is granted to specified goods imported from countries listed in Appendix I or Appendix II, according to whether the goods fall within Part A or Part B of the Table. The concession reduces the applied rate of customs duty by the percentage shown against each tariff entry, and the importer must prove origin in accordance with the Customs Tariff (Determination of Origin of Goods under the Bangkok Agreement) Rules, 1976. Applied rate of duty includes the standard tariff rate and Agriculture Infrastructure and Development Cess, subject to specified exclusions.