ARM 42.22.1306
ARM 42.22.1306. VALUATION OF INDUSTRIAL PROPERTY OTHER THAN LAND
Cite as Mont. Admin. R. 42.22.1306
(1) All property other than land or industrial improvements to land shall be valued by trending the original installed cost to a current replacement cost, then depreciating on an age/life basis to compensate for ordinary physical deterioration and/or functional obsolescence.
(2) If adequate market data exist, the department may apply the approaches to valuation described in ARM 42.22.1309 .