W. Va. Code § 33-44-3
(k) "Principal place of business" means the single state in which the policy for the direction, control and coordination of the operations of the insurer as a whole are primarily exercised, with consideration being given to, but not limited to:
(p) "Transaction of insurance" means that for purposes of this article, any of the following acts in this state effected by mail or otherwise is considered to constitute the transaction of an insurance business in or from this state: