(a) The department may appoint and remove examiners and appraisers it considers necessary, these persons to have those duties and powers the department prescribes. The compensation of these examiners and appraisers shall be as the department prescribes, and they shall be reimbursed for travel expenses as provided for state employees.
(b) The department may require the examiners, appraisers, and employees as it designates to give bond payable to the state for the faithful performance of their duties in that form and with those sureties as it determines, and all premiums on these bonds shall be paid by the state.
(c) All officers empowered by law to administer oaths or employees, examiners, and appraisers appointed by the department may administer an oath to persons giving testimony before them or to take the acknowledgment of a person in respect to the returns or reports required under this chapter.
(d) All employees, examiners, and appraisers appointed by the department shall have for identification purposes proper credentials issued by the department and exhibit them upon demand.