W. Va. Code § 38-7-24

Any person served with the writ and indorsement thereon, provided for in section fifteen of this article, in any action or proceeding at law, or suit in equity, shall, on or before the return day thereof, or within such additional time as may be granted by the court, answer in writing disclosing the matters required by the indorsement on such writ. The answer shall state whether the liability of the garnishee, or any part thereof, is represented by a negotiable instrument; and in the case of a bailee, whether there is outstanding any negotiable warehouse receipt, bill of lading or other negotiable instrument for any of the personal property in his possession or under his control. Such answer shall be verified in the manner prescribed for the verification of other pleadings.