US lawMinnesotaRegulationsBOARD OF HIGH PRESSURE PIPING SYSTEMSChapter 5230 — CHAPTER 5230, PIPEFITTERS; POWER PIPING SYSTEMS5230.0315Minn. R. 5230.0315CHAPTER VII, OPERATION AND MAINTENANCELast amended: 2009Year: 2026Length: 10 wordsOfficial source Chapter VII of ASME B31.1 is deleted in its entirety.PreviousMinn. R. 5230.0305NextMinn. R. 5230.0325