Circular No. 459/25/99-CX I am directed to draw your attention to the Notification No. 37/99-Central Excise (N.T.) dated 4th June, 1999 whereby rule 173C of the Central Excise Rules, 1944 have been amended to incorporate Sub-rule (2a) containing a provision for filing of “Declaration” by the Central Excise assessees who manufacture the excisable goods notified under Section4A of the Central Excise Act, 1944.