The public administrations, in order to make cash the right of the citizens not to bring the documents that it has elaborated the same one or another administration, they can access the data necessary for the concrete procedure with regard to the legal habilitation that the article offers 28.2 LPAC, always that the affected person has not opposed there or that treats itself of data with respect to which it is required the consent express for its treatment, how the foreseen data would be in the articles 7.2 and 7.3 of the LOPD. All this without harm of the need to fulfill the rest of derived duties to the regulations of protection of data, especially of the principles of proportionality or minimization and of the information to the persons affected in the exposed terms in the juridical foundations of this judgement.