W. Va. Code § 11-1A-19: Subsequent statewide reappraisals required.

After the first statewide reappraisal, to be completed on or before March 31, 1985, the commissioner shall require that periodic reviews of property valuation shall take place so as to ensure that all property is valued at market value as set forth herein at all times: Provided, That statewide reappraisals of property shall take place at least every ten years after 1985.