1. In the case of a serious infringement as referred to in Article 47a, the Member State concerned shall provide the Commission with a report on the progress of the investigation, including details of any action taken or proposed to be taken in relation to the serious infringement as soon as practicable and in any case within three months following the notification of the infringement and a report on the outcome of the investigation when the investigation is completed.
1. En cas d'infraction grave au sens de l'article 47 bis, l'État membre concerné fournit à la Commission un rapport sur l'avancement de l'enquête, indiquant le détail de toute action prise ou qu'il est proposé de prendre, et ce dès que possible et, dans tous les cas, dans les trois mois suivant la notification de l'infraction.