All such systems should work in a harmonious and consistent manner that makes use of synergies between the different systems, avoids duplications, simplifies their operation and makes them more efficient.
Ba cheart do chórais den sórt sin feidhmiú ar bhealach leanúnach, comhchuí le go n-áiritheofar úsáid sineirgíochtaí idir na córais éagsúla, go seachnófar dúbláil, agus le go ndéanfar simpliú ar a modhanna oibre lena ndéanamh níos éifeachtúla.