[Code of Federal Regulations] [Title 49, Volume 8] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR1503.224] [Page 266-267] TITLE 49--TRANSPORTATION CHAPTER XII--TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY PART 1503_INVESTIGATIVE AND ENFORCEMENT PROCEDURES--Table of Contents Subpart G_Rules of Practice in Transportation Security Administration (TSA) Civil Penalty Actions Sec. 1503.224 Burden of proof. (a) Except in the case of an affirmative defense, the burden of proof is on the agency. [[Page 267]] (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.