In turn, the allocation area (in counties, districts or communes) is established in law, but usually under a scheme of flexibility and adaptation to the changing needs of criminal prosecution, which involved the highest authorities of the ministry.
The distribution of cases among the various tax, generally, can be performed by the supervisor on the basis of certain objective criteria established by law, such as workload, expertise and experience. Although in principle governing a shift rule, under which they must take up all cases that occur in that period of time, within the territorial limits assigned to their closure or conclusion.