US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter XII — TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITYPart 1503 — INVESTIGATIVE AND ENFORCEMENT PROCEDURESSubpart G — Rules of Practice in TSA Civil Penalty Actions1503.64149 C.F.R. § 1503.641Offer of proof.Last amended: 2016Year: 2026Length: 22 wordsOfficial source Cite as 49 C.F.R. § 1503.641 (2026)A party whose evidence has been excluded by a ruling of the ALJ may offer the evidence for the record on appeal.Previous49 C.F.R. § 1503.639Next49 C.F.R. § 1503.643