The challenge per nullity of the praise arbitral not constitutes a normal judgment appeal visa which, in such context procedural, the courtyard appeal not is a call a confirm or reform the decision first first grade yield a judge pecie not exists), ma ha, first of all, the task of check if the decision yield by a organ different from the one state, the parts have entrusted the resolution of the lite between them insurgent, it is invalid for of the reasons strictly indicated by the law.