Customs tariff amendment updates schedule entries for two tariff items, omitting ancillary columns and substituting principal duty entries. Amendment to the Customs schedule revises entries for Tariff items 281701 and 281702 in CHAPTER 28 by omitting specified ancillary column entries and substituting the entries in the principal rate columns with a uniform substituted rate, under powers conferred by the Customs Act, the Central Excise Act and the Finance Act read with the Drawback Rules.