Currently one of the structural mandates for the effective protection of rights is the fundamental right to the evidence, not only because of the new phenomenon of constitutionalization process but by the experience of individual cases, which have driven it serious reforms. Before the General Code of Procedure its reality reveals a citizen who comes to the administration of justice and sees defined the validity and effectiveness of its claim or exception through three systems: i) the ability or directed intention of his or her counterpart in providing or no evidence of the fact, which is another way to understand the classical notion of who has to show the evidence; ii) in the search for truth by the judge, through his functions; and iii) t...