W. Va. Code § 16-13-9
Nothing in this article contained shall be so construed as to authorize or permit any municipality to make any contract or to incur any obligation of any kind or nature except such as shall be payable solely from the funds provided under this article. Funds for the payment of the entire cost of any of the works referred to in this article, exclusive of any portions of the cost that may be defrayed out of any grant or contribution, shall be provided by the issuance of revenue bonds of the municipality, the principal and interest of which shall be payable solely from the fund herein provided for the payment, and the bonds may not, in any respect, be a corporate indebtedness of the municipality, within the meaning of any statutory or constitutional limitations thereon. All the details of the bonds shall be determined by ordinance or ordinances of the municipality.
W. Va. Code § 16-13-9