Anti dumping and countervailing procedure: appeal filing, prescribed respondents, and transmission of investigation records to tribunal. The rules prescribe appeal filing and joinder mechanics and evidentiary transmission: appeals in the prescribed proforma must be presented to the concerned officer in person, by agent, or by registered post; the designated authority, the domestic industry representative whose application led to investigation, and interested persons who submitted representations must be joined as respondents; and the designated authority must transmit the investigation records and procedural papers, including confidential information under the anti dumping or countervailing duty rules, to the Tribunal.