Ind. Code § 12-30-7-17

Sec. 17. In addition to any other compensation, the administrator is entitled to travel reimbursement on a per mile basis commensurate with that paid to state officers and employees according to the state travel policies and procedures established by the Indiana department of administration and approved by the budget agency for each mile travelled in the discharge of the administrator's duties, but within the lawfully established appropriation made for this purpose.