US lawMontanaRegulationsTitle 42 — REVENUEChapter 42.22 — CENTRALLY ASSESSED PROPERTYSubchapter 42.22.11 — Net Proceeds Tax on Miscellaneous Mines42.22.1115ARM 42.22.1115ARM 42.22.1115. COSTS OF MILLING, SMELTER, AND REDUCTION WORKSTransferredLength: 8 wordsOfficial source Cite as Mont. Admin. R. 42.22.111542.22.1115 COSTS OF MILLING, SMELTER, AND REDUCTION WORKSPreviousARM 42.22.1114NextARM 42.22.1116