Auxiliary duty amendment inserts a new schedule entry into customs exemption notifications, modifying prior notification. The Central Government, invoking statutory powers under the Customs Act and the Finance Act, amends Notification No. 207/87-Customs (dated 12 May 1987) by inserting after S. No. 292 a new Schedule entry: '293. No. 262 Customs, dated the 2nd July, 1987', declaring the addition necessary in the public interest.