The+disavowal+quote+of the+signature+affixed+on+writing+private,+in the+case of+species+containing+clause+turmoil,+not+still+deposited+in+judgment,+it is+valid+ex+articles+214+and+215+cod .+proc.+civ.+allorquando+there is+certainty+of the+reference+a+writing+determined+and+known+from the+parts+and+the same+it represents+a+evidentiary+relevant element+in the economy+of the+controversy.