US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 195 — TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINESubpart F — Operation and Maintenance195.40049 C.F.R. § 195.400Scope.Last amended: 2016Year: 2026Length: 15 wordsOfficial source Cite as 49 C.F.R. § 195.400 (2026)This subpart prescribes minimum requirements for operating and maintaining pipeline systems constructed with steel pipe.Next49 C.F.R. § 195.401