US lawMontanaRegulationsTitle 42 — REVENUEChapter 42.25 — NATURAL RESOURCES TAXESSubchapter 42.25.5 — Gross Proceeds Tax on Coal Production42.25.515ARM 42.25.515ARM 42.25.515SupersededLast amended: 1986Length: 6 wordsOfficial source Cite as Mont. Admin. R. 42.25.51542.22.2115 IMPUTED VALUATION FOR REFINED COALPreviousARM 42.25.515NextARM 42.25.515