(a) An appointed commission member is entitled to:
(1) a per diem in an amount prescribed by legislative appropriation for each day spent in performing the duties of the office; and
(2) reimbursement for actual and necessary expenses incurred in performing the duties of the office.
(b) Reimbursement for expenses under this section is subject to any applicable limitation in the General Appropriations Act.
(c) An ex officio commission member is entitled to reimbursement for expenses from the member's agency as provided by law for expenses incurred in the performance of the member's other official duties.