Translate the following English sentence to French:
"Once again, I would stress the need to simplify the rules, as well as consumer protection, the role of the national regulatory authorities and the licensing system which has been discussed at great length."
Je citerai encore la nécessité de simplifier les règles, la protection des consommateurs, le rôle des autorités nationales de réglementation et le régime d'octroi des licences dont on a largement parlé.