Anti-dumping duty continuation on 1-Phenyl-3-Methyl-5-Pyrazolone maintained, extending operative protection under Customs Tariff authority. The Central Government amended the principal anti-dumping notification to extend continuation of anti-dumping duty on imports of 1-Phenyl-3-Methyl-5-Pyrazolone from the Peoples Republic of China, following a review by the designated authority and in exercise of powers under the Customs Tariff Act and anti-dumping rules, by adding a paragraph that keeps the notification in force for a further period unless earlier revoked.