Sunset review anti-dumping investigation initiated for ductile iron pipes from China; stakeholders must submit information within prescribed time. Initiation of a sunset review anti-dumping investigation into imports of Ductile Iron Pipes from China is commenced following the Gujarat High Court's direction to rehear the earlier non-initiation. The review applies existing anti-dumping procedural rules, retains the original product scope, identifies the domestic industry applicants, sets the Period of Investigation for injury analysis, and requires known exporters, the subject government, importers and other interested parties to submit information. Confidentiality protocols, timelines for submissions, and consequences for non-cooperation are specified.