(a) The arbitrator shall schedule arbitration to be held not later than the 30th day after the date of the arbitrator's assignment and shall notify the parties and the division of the scheduled date.
(b) If an arbitrator is unable to schedule arbitration in accordance with Subsection (a), the division shall appoint the next arbitrator on the applicable list. Each party is entitled to reject the arbitrator appointed under this subsection in the manner provided under Section 410.108.