Auxiliary duty amendment adds a new customs notification entry, effective the day after issuance, under statutory authority. Amendment inserts a new Schedule entry by adding serial number 326 referencing 'No. 4/93 Customs, dated the 8th February, 1993' to Notification No. 190/92 Customs, effected under powers conferred by the Customs Act and the Finance Act, with the amendment coming into force on 9th February, 1993.