49 C.F.R. § 1503.223 Standard of proof.
Title 49 - Transportation
The administrative law judge may issue an initial decision or may rule in a party's favor only if the decision or ruling is supported by, and in accordance with, the reliable, probative, and substantial evidence contained in the record. In order to prevail, the party with the burden of proof must prove the party's case or defense by a preponderance of reliable, probative, and substantial evidence.
Title 49: Transportation
PART 1503—INVESTIGATIVE AND ENFORCEMENT PROCEDURES
Subpart G—Rules of Practice in Transportation Security Administration (TSA) Civil Penalty Actions
§ 1503.223 Standard of proof.
