14 CFR § 13.123 - Submission by party to the investigation.
---
identifier: "/us/cfr/t14/s13.123"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 13.123 - Submission by party to the investigation."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "13.123"
section_name: "Submission by party to the investigation."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "B"
subchapter_name: "PROCEDURAL RULES"
part_number: "13"
part_name: "INVESTIGATIVE AND ENFORCEMENT PROCEDURES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "18 U.S.C. 6002; 28 U.S.C. 2461 note; 49 U.S.C. 106(g), 5121-5124, 40113-40114, 44103-44106, 44701-44704, 44709-44710, 44713, 44725, 44742, 44802 (note), 46101-46111, 46301, 46302 (for a violation of 49 U.S.C. 46504), 46304-46316, 46318-46320, 46501-46502, 46504, 46507, 47106, 47107, 47111, 47122, 47306, 47531-47532; 49 CFR 1.83."
regulatory_source: "Docket No. 18884, 44 FR 63723, Nov. 5, 1979, unless otherwise noted."
cfr_part: "13"
---
# 13.123 Submission by party to the investigation.
(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.