Translate the following English sentence to French:
"There is every reason for the working parties which have now been appointed to quickly and effectively make contact, within the framework of the Union's work, with other international organisations working with these issues."
Il y a toutes les raisons de croire que les groupes de travail qui viennent d'être constitués vont prendre rapidement contact avec d'autres organisations internationales dans le cadre des travaux de l'Union.