The order public which is reference the art. 829, co. 3 cod. Proc. Civ. Coincide with the rules and i principles fundamental of the system, together more restricted compared to of of the rules imperative, between i not it falls the organizational regulation relative Saria registration to the role of the mediators, which yes obey to satisfaction of the interest public so that the activity of the mediator is turning point exclusively by people in possession detail cognitions techniques, but is not norm fundamental of the system.