Det gælder netop om at afgrænse disse ufravigelige garantier, f.eks. overholdelsen af ne bis in idem-princippet, af retten til et effektivt forsvar og ikke bare et formelt forsvar eller af ofrenes rettigheder.
The question is, precisely, that of the identification of these essential guarantees, such as respect for the principle of ne bis in idem, or respect for the right to an effective and not simply a pro forma defence, or respect for victims' rights.