Auxiliary duty amendment inserts a new schedule entry to a Customs exemption notification, altering applicable tariff provisions. The Central Government amends Notification No. 312/86 Customs by inserting a new serial entry after Serial No. 110 to include Notification No. 461/86 Customs in the Schedule, thereby formalising an additional reference within the Customs tariff exemption framework under powers conferred by the Customs Act and the Finance Act.