By way of derogation from article R. 5221-15, the Prefect of the Bouches-du-Rhône département is competent to take decisions relating to applications for work permits under article R. 5221-3 which are sent to him by one of the employers mentioned in paragraphs 2 to 4 of article R. 431-22 of the Code de l’entrée et du séjour des étrangers et du droit d’asile.