Translate the following English sentence to French:
"We are therefore unable to approve the development of strand IIIC of the Community initiative encouraging interregional cooperation under the responsibility of the Commission and sidelining the Member States."
Dès lors, nous ne saurions approuver le développement du volet IIIC de l'initiative communautaire, volet qui, en encourageant la coopération interrégionale sous la responsabilité de la Commission, tient à l'écart les États membres.