W. Va. Code § 12-1-1

The Legislature finds and declares that the efficient collection, disbursement, management and investment of public moneys in the State Treasury will benefit the citizens, teachers and public employees of this state by reducing the costs of government and providing sources of increased revenue without the necessity of increased taxation; and to achieve these goals, the State Treasurer shall provide a stable and continuous source of professional financial management, and shall be given the authority to develop and maintain modern systems, consistent with sound financial practices, for the collection, disbursement, management and investment of such moneys in conjunction with the State Treasurer.