49 C.F.R. § 40.381
What information do you present to contest the proposed issuance of a PIE?
(a) As a service agent who wants to contest a proposed PIE, you must present at least the following information to the Director:
(1) Specific facts that contradict the statements contained in the NOPE (see § 40.375(b)(2) and (3)). A general denial is insufficient to raise a genuine dispute over facts material to the issuance of a PIE;
(2) Identification of any existing, proposed or prior PIE; and
(3) Identification of your affiliates, if any.
(b) You may provide any information and arguments you wish concerning the proposed issuance, scope and duration of the PIE (see § 40.375(b)(4) and (5)).
(c) You may provide any additional relevant information or arguments concerning any of the issues in the matter.