W. Va. Code § 11-3-15a

Limited liability companies that elect to be treated as a corporation for federal income tax purposes shall make and file the report required of corporations in section twelve of this article. Limited liability companies treated as a partnership for federal income tax purposes shall make and file the report required in section fifteen of this article. A limited liability company that elects to be treated as a disregarded entity for federal income tax purposes shall be treated as a disregarded entity under this article and its owner shall make and file the report required by section twelve or section fifteen of this article depending upon whether the owner is a corporation, a firm or an individual.