W. Va. Code § 11-3-15b
(a) On or before January 15 of the tax year, the assessor shall mail a notice of assessed value to any corporation, partnership, limited partnership, limited liability company, firm, association, company or other form of organization engaging in business activity in the county showing the aggregated assessed value of taxpayer's tangible personal property situated in the county on the assessment date, if known, that is not appraised by the Tax Commissioner: Provided, That notice is only required if:
(2) The aggregated assessed value of property has increased by more than $100,000 since the prior tax year.
However, this notification requirement does not apply to industrial or natural resources personal property that is appraised by the Tax Commissioner under article six-k of this chapter which is assessed at sixty percent of its true and actual value.
(b) The assessor shall include in the assessment notice:
(c) The notice required by this section shall be: