In+theme+of+arbitration,+to+fini+of the+verification+of the+achievement+of the+purposes+of the act+which contains+the invitation+to the opponent+of+proceed+to the+designation+of the+proper+referees,+made+known+without+respect+of the+forms+for+the+notification+of the+acts+in+PR Ocesso+Civil,+the+judge+is+to+ad+ascertain+not only+that+the act+it is a+state+to+knowledge+of the+recipient,+but also+that+such knowledge+it is+it intervened+in+time+useful+a+a+a+the latter+the exercise+of the+right+choice+of the+referee.