(a) The Auditor of State is authorized to appoint one (1) deputy. The appointment shall be made in writing.
(b) The deputy so appointed shall take the oath prescribed by law. The oath shall be endorsed on the letter of appointment, and the letter of appointment shall be filed in the office of the Secretary of State.
(c) The Auditor of State shall be responsible on his or her official bond for all the acts done and performed by his or her deputy in the performance of his or her official duties.
(d) Every deputy appointed under this section shall possess all the powers of his or her principal and may perform any of the duties required by law to be performed by his or her principal.