W. Va. Code § 39-1-8

When any writing has been executed by an attorney in fact, and an acknowledgment of the execution thereof is required or authorized for any purpose, the certificate of acknowledgment may be in form or effect as provided in section four of this article as far as the words "do certify," and thence as follows: do certify that .........., whose name is signed to the writing above (or hereto annexed) bearing date the .......... day of .........., 19....., as attorney in fact for .........., has this day acknowledged the same before me in my said ..........

Given under my hand this .......... day of .........., 19.....