@ccthealias , the simplest would be to leave the cost basis in line with the depreciation -- to correct the situation would be a lot of work and may actually be detrimental ( tax wise ) but legally correct ( because you would have to redo all the depreciation computation and amend a few returns.) My suggestion would be to try it out both ways and see the impact and then decide whether to "let sleeping dog....." or take curative action.
Good Luck
