14 C.F.R. § 13.123 Submission by party to the investigation.
Title 14 - Aeronautics and Space
(a) During an investigation conducted under this subpart, a party may submit to the Presiding Officer— (1) A list of witnesses to be called, specifying the subject matter of the expected testimony of each witness, and (2) A list of exhibits to be considered for inclusion in the record. (b) If the Presiding Officer determines that the testimony of a witness or the receipt of an exhibit in accordance with paragraph (a) of this section will be relevant, competent and material to the investigation, the Presiding Officer may subpoena the witness or use the exhibit during the investigation.
Title 14: Aeronautics and Space
PART 13—INVESTIGATIVE AND ENFORCEMENT PROCEDURES
Subpart F—Formal Fact-Finding Investigation Under an Order of Investigation
§ 13.123 Submission by party to the investigation.