(a) The financial transactions of the office are subject to audit by:
(1) the state auditor in accordance with Chapter 321; or
(2) a private auditing firm.
(b) The state auditor shall inform the executive director when a financial audit of the office is not included in the audit plan for the state for a fiscal year. The executive director shall ensure that the office is audited under Subsection (a)(2) during those fiscal years.