Auxiliary duty amendment inserts a new serial entry into the customs exemption notification, modifying Schedule to No.158/85. The Central Government, under powers in the Customs Act and the Finance Act, amends Notification No. 158/85-Customs by inserting after Serial No. 250 a new Schedule entry as Serial No. 251 referencing Notification No. 376/85-Customs dated 31st December 1985, thereby modifying the list of exemption entries.