US lawMontanaRegulationsTitle 42 — REVENUEChapter 42.22 — CENTRALLY ASSESSED PROPERTYSubchapter 42.22.12 — Net Proceeds Tax on Oil and Gas Production42.22.1215ARM 42.22.1215ARM 42.22.1215. DEDUCTIONS FOR DRILLING COSTS AND CAPITAL EXPENDITURESTransferredLength: 8 wordsOfficial source Cite as Mont. Admin. R. 42.22.121542.22.1215 DEDUCTIONS FOR DRILLING COSTS AND CAPITAL EXPENDITURESPreviousARM 42.22.1214NextARM 42.22.1216