(a) Before taking office and within 20 days after the date of a county auditor's appointment, the county auditor must execute a bond. The bond must be:
(1) a good and sufficient surety bond or a bond secured by two or more good and sufficient personal sureties;
(2) in the amount of $5,000 or more;
(3) payable to the district judges;
(4) conditioned on the faithful performance of the duties of county auditor; and
(5) approved by the district judges.
(b) The county auditor must take the official oath and a written oath that lists the positions of public or private trust previously held and the length of service in each of those positions and that states:
(1) that he has the qualifications required by this chapter; and
(2) that he will not be personally interested in a contract with the county.