Anti-dumping duty on Phthalic Anhydride imposed to counteract dumped imports and protect domestic industry. The Central Government, exercising powers under section 9A of the Customs Tariff Act and relevant anti-dumping rules, imposes anti-dumping duty on Phthalic Anhydride from Japan and Russia at specified US dollar per metric tonne rates for defined origin/export/producer/exporter categories, to counter dumping and material injury to the domestic industry. Duties are payable in Indian currency using the official exchange rate on bill of entry and remain effective for a five-year period unless earlier revoked, superseded or amended.