Looking for information on how to file an interboard arbitration complaint? You've come to the right place!Most standard form purchase agreements include two alternative dispute resolution provisions: arbitration and mediation clauses. Free Consultation - Call (510) 747-8034 - Richard H. Poulson helps companies with business matters in Mediation and Arbitration cases. CAR mediation and arbitration provisions are designed to promote efficient and cost-effective resolution of disputes in real estate transactions. The revised language now states "Seller agrees to pay the obligation of Buyer to compensate Buyer's Broker under a separate agreement (CAR Form SPBB attached).