US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 179 — SPECIFICATIONS FOR TANK CARSSubpart B — General Design Requirements179.1149 C.F.R. § 179.11Welding certification.Last amended: 2016Year: 2026Length: 11 wordsSubsections: 2Official source Cite as 49 C.F.R. § 179.11 (2026)(a) Welding procedures, welders and fabricators shall be approved. (b) [Reserved]Previous49 C.F.R. § 179.10Next49 C.F.R. § 179.12