A defendant or respondent directed by the Board to do or desist from doing a particular thing must notify the Board on or before the compliance date specified in the decision of the manner of compliance. Notification should be by verified affidavit showing simultaneous service upon all parties to the proceeding. Where a change in rates or schedules is directed, notification specifying the Surface Transportation Board tariff or schedule numbers must be given in addition to the filing of proper tariffs or schedules.
49 C.F.R. §1119.1