Validity restriction removal: amendment deletes the expiry condition from a customs exemption notification, extending its applicability. The Central Government, under sub-section (1) of section 25 of the Customs Act, 1962, issued an amendment to Notification No. 355/85-Customs by Notification No. 300/90-Cus., the operative effect of which is the omission of paragraph 2 of the original notification, thereby removing the prior validity restriction.