Translate the following English sentence to French:
"It is quite simply a bad system, in that the last pillar of financing within the EU budget has to come into play in such circumstances, i.e. all Member States then have to pay according to their share of GNP."
Que dire d'un système qui fait que le dernier pilier du financement du budget de l'UE doive intervenir et que tous les États membres doivent payer en fonction de leur part au produit intérieur brut.