translate English to French: Consequently, the former incumbents of the Unit Head positions were required to participate in competitions and have the relative merit of their qualifications assessed against the qualifications of any other candidates who also applied in the competitions.
Par conséquent, les anciens chefs d'unité durent prendre part à des concours et être évalués selon le principe du mérite relatif et donc comparés aux autres candidats prenant part aux concours.