US lawMontanaRegulationsTitle 17 — ENVIRONMENTAL QUALITYChapter 17.56 — UNDERGROUND STORAGE TANKS PETROLEUM AND CHEMICAL SUBSTANCESSubchapter 17.56.14 — Underground Storage Tank Licensing17.56.1422ARM 17.56.1422ARM 17.56.1422SupersededLast amended: 2000Length: 6 wordsOfficial source Cite as Mont. Admin. R. 17.56.142217.56.1221 PROHIBITION OF UNPROFESSIONAL INSTALLER CONDUCTPreviousARM 17.56.1422NextARM 17.56.1422