W. Va. Code § 33-12-13: Agent resident in contiguous municipalities.

An agent who has his or her residence in an urban community composed of two immediately contiguous municipal corporations not separated by a river or other stream, one of which is located in this state and the other located in another state, shall be considered a resident of this state for the purposes of this article if his or her residence is in any part of such urban community and the state wherein the other municipal corporation is located has established by law or regulation like requirements as to residence of agents in such urban community.