Positive conflict of jurisdiction between the state court and the Arbitration tribunal. Credit assignment agreement with an arbitration clause electing the CAM-CCBC. Arbitration proceedings commenced before the Câmara de Arbitragem do Mercado (CAM-B3). Injunction granted in an interim relief action prior to the arbitration, relating to the credit assignment agreement. Arbitration that must be commenced before the CAM-CCBC: