Translate the following English sentence to French:
"It may be supposed, for example, as Commissioner Bolkestein gave us to understand during his hearing on 6 September last year, that the Commission might propose reducing these limits to 50 grams and two and a half times the basic tariff."
On suppose, par exemple, comme le commissaire Bolkestein l' a laissé entendre au cours de son audition du 6 septembre dernier, que la Commission pourrait proposer de réduire ces limites à 50 grammes et deux fois et demi le tarif de base.