Translate the following English sentence to French:
"Mr David O' Sullivan, for instance, will take up his post by rotation as provided for under the Staff Regulations and equally as provided for under the Staff Regulations, Mr Ricardo Levi is a temporary official and moves with his post to his new position."
M. David O'Sullivan, par exemple, occupera son poste par rotation, comme il est prévu aux termes du statut du personnel et, aux termes de ce même statut, M. Ricardo Levi est un fonctionnaire temporaire qui change d'emploi mais pas de poste.