Every taxpayer who claims credit under this article shall maintain sufficient records to establish the following facts for each item of certified eligible safety property:(1) Its identity;(2) Its actual or reasonably determined cost;(3) Its straight-line depreciation life;(4) The month and taxable year in which it was placed in service;(5) The amount of credit taken; and(6) The date it was disposed of or otherwise ceased to be actively and directly used in a coal mine in this state.
West Virginia Legal Code