Anti-dumping duty investigations: designated authority must determine dumping margin, assess injury, and recommend measures. The designated authority must investigate alleged dumping of imported articles, identify the article liable for anti-dumping duty, and submit findings on normal value, export price and the margin of dumping to the Central Government. It must assess injury or threat of injury to domestic industry or material retardation of industry establishment due to such imports, recommend an anti-dumping duty amount not exceeding the margin of dumping and the commencement date, and review the need for continuance of any anti-dumping duty.