Interlocutory appeal in an action to set aside an arbitration award. Relaxation of the criterion set forth in Article 79 of the Internal Rules of the Appellate Court of Minas Gerais, according to which the first-filed rule operates in favor of the court that "received the first valid assignment of the main, ancillary, or interim proceedings." Jurisdiction of the Chamber that examined more thoroughly the matters at issue in the action to set aside: