Translate the following English sentence to French:
"Pursuant to Article 3(8) of the Directive, terms and conditions of employment must be in keeping with the 'collective agreements which have been concluded by the most representative employers' and labour organisations at national level and which are applied throughout national territory'."
En vertu de l'article 3, paragraphe 8 de la directive, les conditions de travail et d'emploi doivent être conformes aux "conventions collectives qui sont conclues par les organisations de partenaires sociaux les plus représentatives au plan national et qui sont appliquées sur l'ensemble du territoire national".