US lawMontanaRegulationsTitle 42 — REVENUEChapter 42.22 — CENTRALLY ASSESSED PROPERTYSubchapter 42.22.21 — Gross Proceeds Tax on Coal Production42.22.2115ARM 42.22.2115ARM 42.22.2115. IMPUTED VALUATION FOR REFINED COALTransferredLength: 6 wordsOfficial source Cite as Mont. Admin. R. 42.22.211542.22.2115 IMPUTED VALUATION FOR REFINED COALPreviousARM 42.22.2114