W. Va. Code § 10-1-11a
Nothing in this article shall be construed to abolish or abridge any power or duty conferred upon any public library already established by virtue of any city or town charter or other special act, or to affect any existing local laws allowing or providing municipal aid to libraries. Any library now operating under any city or town charter or other special act has, however, the privilege of reorganizing under the provisions of this article.
All powers granted herein shall be considered to be conferred upon public libraries existing at the time of the passage of this act.
Any provision concerning the disbursement of funds including the designation of the depository of the library funds or of the library board's disbursing officer contained in this article may be adopted by a library board organized under the provisions of this article, notwithstanding any other provisions of law.
W. Va. Code § 10-1-11a