Unless otherwise provided by the agreement:
1. The arbitrators shall determine a time and place for the hearing and cause notification to the parties to be served personally or by registered mail not less than five days before the hearing. Appearance at the hearing waives the notice. The arbitrators may adjourn the hearing as necessary and, on request of a party and for good cause, or upon their own motion, may postpone the hearing to a time not later than the date fixed by the agreement for making the award. The arbitrators may hear and determine the controversy upon the evidence produced even if a party duly notified fails to appear.2. The parties are entitled to be heard, to present evidence material to the controversy, and to cross-examine witnesses appearing at the hearing.3. The hearing shall be conducted by all the arbitrators. If, during the course of the hearing, an arbitrator for any reason ceases to act, the remaining arbitrator or arbitrators may continue with the hearing and determination of the controversy.C51, §2105; R60, §3682; C73, §3422; C97, §4391; C24, 27, 31, 35, 39, §12701; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §679.7; 81 Acts, ch 202, §5C83, §679A.5