W. Va. Code § 39-4-4: Authority to perform notarial act.

(a) A notarial officer may perform a notarial act authorized by this article or by law of this state other than this article.

(b) A notarial officer may not perform a notarial act with respect to a record to which the officer or the officer's spouse is a party, or in which either of them has a direct beneficial interest, financial or otherwise. A notarial act performed in violation of this subsection is voidable.