Council shall provide for an annual independent audit of all City accounts and may provide for such more frequent audits as it deems necessary. Such audits shall be made by a licensed certified public accountant or firm of such accountants who have no personal interest, direct or indirect, in the fiscal affairs of the City government or any of its officers. Audits shall be conducted in accordance with West Virginia law and regulation, and with guidelines promulgated by the West Virginia State Auditor.