(9) Contract with outside entities, including certified public accountants in good standing with the North Carolina State Board of Certified Public Accountant Examiners, bookkeeping firms, councils of government, and other units of government, to ensure fulfillment of the duties enumerated in this subsection, excluding subdivision (6), except where specifically allowed by law, and subdivision (8). Regardless of the entity performing such duties, the authority, powers, and duties of the finance officer shall not be superseded, and the responsibility for accurate and timely fulfillment of duties lies solely with the finance officer. All references in other portions of the General Statutes, local acts, or city charters to county, city, special district, or public authority accountants, treasurers, or other officials performing any of the duties conferred by this section on the finance officer shall be deemed to refer to the finance officer.