Anti-dumping duty extension on pentaerythritol imports from China approved, maintaining duty for an additional year. The Central Government, exercising powers under the Customs Tariff Act and rule 23 of the anti dumping rules, inserts a paragraph into Notification No. 47/2011 Customs to keep the anti dumping duty on pentaerythritol imports from the People's Republic of China in force for an additional one year period unless revoked earlier.