W. Va. Code § 6-9-3
Separate accounts shall be kept for every appropriation or fund made or levied by a local governing body, showing the date and manner of each payment made out of the funds provided by such appropriation or levy, the name, address and vocation of each person, organization, corporation or association to whom paid, and for what purpose paid. Separate accounts shall be kept for each department, public improvement, undertaking, institution and public service industry under the jurisdiction of every local governing agency; and all service rendered by or property transferred from one department, public improvement, undertaking, institution or public service industry to another shall be paid for at its true and full value by the department, public improvement, undertaking, institution or public service industry receiving the same; and no department, public improvement, undertaking, institution or public service industry shall benefit in any financial manner whatever by an appropriation or fund made for the support of another department, public improvement, undertaking, institution or public service industry. All unexpended balances or appropriations shall be transferred to the credit of the fund from which originally appropriated or levied whenever the account with an appropriation is closed.
W. Va. Code § 6-9-3