A Checklist of the steps counsel should take when submitting a corrective Hart-Scott-Rodino (HSR) filing with the Federal Trade Commission (FTC) Premerger Notification Office (PNO) and the Department of Justice (DOJ). This Checklist explains how transacting parties that have failed to file an HSR form in a reportable acquisition should notify the FTC, complete the corrective (or post-consummation) filing, and prepare the explanation letter.