The referee+not+is+tied+per+name+juris+used+by+parts+e+per+the+principle+processualistic+iura+novit+curia+is+its task+know+the+law+a+ignored+from+identification+legal+e+of the+attachments+of the+parts,+it is because+well +can+qualify+the+ratio+intercurrent+between+the+parts+object+of the+judgment+arbitral+in+terms+different+compared+to+those indicated+by the+parts+parts+(in the+case+species,+in+terms+of+warranty+autonomous,+rather+that+as+guarantee).