US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 179 — SPECIFICATIONS FOR TANK CARSSubpart F — Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)179.400-149 C.F.R. § 179.400-1General.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 49 C.F.R. § 179.400-1 (2026)A tank built to this specification must comply with §§ 179.400 and 179.401.Cross-references to the CFR179.400Next49 C.F.R. § 179.400-3