49 C.F.R. § 200.13

(a) General notice of any hearing under this subpart shall be published in the Federal Register not less than 10 days before the hearing, and shall include (1) a statement of the time, place, and nature of the hearing, (2) a reference to the legal authority under which the hearing is being held and (3) a description of the subject and issues involved.

(b) Any order, approval, or determination resulting from any hearing held under this part shall be published in the Federal Register.