14 C.F.R. § 325.12 Service of documents.
Title 14 - Aeronautics and Space
Any person, except one filing individually as a consumer, who files a document under this part, including responses to the questionnaire, shall serve that document upon those listed in §325.4(a) of this part and upon the following: (a) The governor of the State in which the eligible point is located; (b) Each air carrier providing scheduled service to the affected eligible point; (c) In the case of a responsive document, the one who filed the document to which it responds; and (d) The U.S. Postal Service, Assistant General Counsel, Transportation Division, Law Department, Washington, D.C. 20260.
Title 14: Aeronautics and Space
PART 325—ESSENTIAL AIR SERVICE PROCEDURES
§ 325.12 Service of documents.