Translate the following English sentence to French:
"We do not propose to repeat the debate we had in December 1999, but the Commission would have been well-advised to scrupulously monitor the application of that regulation; so once again it committed a serious political mistake."
Nous n' allons pas reproduire le débat de décembre 1999, mais la Commission eut été bien avisée de contrôler scrupuleusement l' application de ce règlement et a fait, là encore, une grave faute politique.