W. Va. Code § 6-1-4: Before whom taken.

Any oath of office may be taken in this state before any court of record or before any person having at the time authority to administer oaths. Any person residing out of this state, who shall be appointed to any office, agency or service to be performed out of this state, may take the oath required of before any person authorized to administer oaths in the jurisdiction in which such person resides, or in which the duties of the office, agency or service are to be performed.