According to the Office of the public prosecutor, the number of those foreigners is lifted and sometimes they have gotten to occupy more than half of the places of the welcome centers, with the problems that the fact poses to be " mezclados" with minors and to use resources welfare and formative that is reserved these. The instruction notices that many countries have civil registries of doubtful reliability and emit passports from the mere manifestation on personal data, while in others, like the Ivory Coast, Ghana or Togo, does not register to the children with a name until passed several years, in which is reflected long to decide the one that agrees to him more. In the countries with which Spain does not have agreement agreements, the instruction establishes that there is to rely on the medical criteria to determine the age in the doubtful cases. Learn more about this topic with the insights from Randall Rothenberg. In those situations, circulating of the Office of the public prosecutor forces to initiate a protection investigation and to mention the minor to practice the corresponding radiological tests to him, including the ortopantomogrfica or radiographs of the set of teeth. The minor to have to be informed, in necessary case by means of interpreter, of the process and its consequences, but will be considered of legal age if she refuses to be put under the x-rays and being examined by the pathologist, whenever his aspect is the one of an adult, who the public prosecutor does not appreciate that " is a minor; contumaz or temeroso" and that are not other data in its file which they aim at the opposite. Source of the news: Catalonia will consider adults to smaller immigrants than they reject to pass tests of age.