Translate the following English sentence to French:
"On the question of when the proposed legislation is to come into effect, I would say that I do not think that there is any argument, either technological or industrial, in favour of postponing the date when the lower limit values are to come into force."
En ce qui concerne la date d'entrée en vigueur, je ne vois aucun argument technologique ou industriel qui puisse plaider en faveur d'un report de la date de mise en uvre des valeurs limites les plus basses.