Auxiliary duty amendment: insertion of a new serial entry into a customs exemption notification under delegated statutory power. The Central Government amends Notification No. 180/90-Customs by inserting, after Sl. No. 275, a new serial entry adding Notification No. 258/90-Customs (dated 23 October 1990) to the schedule of miscellaneous exemption notifications, pursuant to delegated powers under the Customs Act and the Finance Act.