(1) Where in respect of any article, whether included in the Second Schedule or not, the Central Government is satisfied that the export duty leviable thereon should be increased or that an export duty should be levied, and that circumstances exist which render it necessary to take immediate action, the Central Government may, by notification in the Official Gazette, direct an amendment of the Second Schedule to be made so as to provide for an increase in the export duty leviable or, as the case may be, for the levy of an export duty, on that article.
     (2) The provisions of sub-sections (3) and (4) of Section 7 shall apply to any notification issued under sub-section (1) as they apply in relation to any notification increasing duty issued under sub-section (2) of Section 7.