Translate the following English sentence to French:
"At the same time, the European Union should raise the issue of when the occupying forces are due to start withdrawing during the debate on partnership between the European Union and Turkey as a condition for continuing negotiations between the EU and Turkey."
Parallèlement, au cours du débat sur le partenariat Union européenne-Turquie, l' Union européenne doit poser la question du retrait des troupes d' occupation comme condition préalable à l'avancement des négociations entre l' UE et la Turquie.