Anti-dumping duty extension: expiry date for sodium nitrate imports from China extended, prolonging duty applicability. Amendment substitutes the expiry date in paragraph 2 of Notification No. 143/2009-Customs concerning anti-dumping duty on imports of Sodium Nitrate from the People's Republic of China, extending the period during which the anti-dumping duty remains applicable; the amendment follows a statutory review and recommendation by the designated authority and is issued by the Central Government under the Customs Tariff Act and applicable rules.