14 CFR § 406.153 - Burden of proof.

---
identifier: "/us/cfr/t14/s406.153"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 406.153 - Burden of proof."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "406.153"
section_name: "Burden of proof."
chapter_name: "COMMERCIAL SPACE TRANSPORTATION, FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "B"
subchapter_name: "PROCEDURE"
part_number: "406"
part_name: "INVESTIGATIONS, ENFORCEMENT, AND ADMINISTRATIVE REVIEW"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "51 U.S.C. 50901-50923."
regulatory_source: "Docket No. FAA-2001-8607, 66 FR 2180, Jan. 10, 2001, unless otherwise noted."
cfr_part: "406"
---


# 406.153 Burden of proof.

(a) Except in the case of an affirmative defense, in a civil penalty adjudication the burden of proof is on the complainant.

(b) Except as otherwise provided by statute or rule, the proponent of a motion, request, or order has the burden of proof.

(c) A party who has asserted an affirmative defense has the burden of proving the affirmative defense.