Sec. 15. An economic development commissioner is not entitled to any salary, but is entitled to:
(1) reimbursement for expenses necessarily incurred in the performance of the commissioner's duties; and
(2) a per diem allowance for each day the commissioner attends a commission meeting, if that allowance:
(A) does not exceed the per diem allowance for members of the general assembly; and
(B) is authorized by the fiscal body that established the commission.