<h1>Anti-dumping duty as a trade remedial measure to restore competitive conditions for domestic industry under WTO principles.</h1> The document explains that anti-dumping duty is a WTO-permitted trade remedial measure imposed to level the domestic market against dumped imports, and notes that the legal framework has been amended to address mid-term and sunset reviews, determination of non-injurious price, definition of domestic industry, refund rules for excess duties, and circumvention determinations.