The RUAA cannot change the federal law that precludes it from singling out agreements to arbitrate for special limitation. Therefore, the matter of arbitral.At any time prior to the conclusion of the mediation proceedings, the parties may agree to submit the matter to arbitration. (5) there was no agreement to arbitrate in the first place.18. Critics of arbitration question the so-called benefits over conventional litigation. Some. In the context of arbitration agreements, unconscionability is crucial for validity and enforceability.