49 U.S. Code § 722 - Board action
(a) Effective Date of Actions.— Unless otherwise provided in subtitle IV, the Board may determine, within a reasonable time, when its actions, other than an action ordering the payment of money, take effect.
(b) Terminating and Changing Actions.— An action of the Board remains in effect under its own terms or until superseded. The Board may change, suspend, or set aside any such action on notice. Notice may be given in a manner determined by the Board. A court of competent jurisdiction may suspend or set aside any such action.
(c) Reconsidering Actions.— The Board may, at any time on its own initiative because of material error, new evidence, or substantially changed circumstances—
An interested party may petition to reopen and reconsider an action of the Board under this subsection under regulations of the Board.